Home / 109,123.16-163,688.04-42,560.60

Finding the Fourth Proportional to 109,123.16, 163,688.04 and 42,560.60

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Solution

The fourth proportional to 109,123.16, 163,688.04 and 42,560.60 is: 63,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,123.16 : 163,688.04 = 42,560.60 : x
  2. Step 2: Convert to fraction form
    109,123.16/163,688.04 = 42,560.60/x
  3. Step 3: Cross multiply
    109,123.16x = 163,688.04 × 42,560.60
  4. Step 4: Simplify right side
    109,123.16x = 6,966,661,195.22
  5. Step 5: Solve for x
    x = 6,966,661,195.22/109,123.16
  6. Step 6: Final answer
    x = 63,842.19

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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.