Home / 74,631.30-111,946.95-43,095.30

Finding the Fourth Proportional to 74,631.30, 111,946.95 and 43,095.30

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Solution

The fourth proportional to 74,631.30, 111,946.95 and 43,095.30 is: 64,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631.30 : 111,946.95 = 43,095.30 : x
  2. Step 2: Convert to fraction form
    74,631.30/111,946.95 = 43,095.30/x
  3. Step 3: Cross multiply
    74,631.30x = 111,946.95 × 43,095.30
  4. Step 4: Simplify right side
    74,631.30x = 4,824,387,394.34
  5. Step 5: Solve for x
    x = 4,824,387,394.34/74,631.30
  6. Step 6: Final answer
    x = 64,642.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.