Home / 109,730.13-151,427.58-59,429.13

Finding the Fourth Proportional to 109,730.13, 151,427.58 and 59,429.13

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Solution

The fourth proportional to 109,730.13, 151,427.58 and 59,429.13 is: 82,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.13 : 151,427.58 = 59,429.13 : x
  2. Step 2: Convert to fraction form
    109,730.13/151,427.58 = 59,429.13/x
  3. Step 3: Cross multiply
    109,730.13x = 151,427.58 × 59,429.13
  4. Step 4: Simplify right side
    109,730.13x = 8,999,209,337.41
  5. Step 5: Solve for x
    x = 8,999,209,337.41/109,730.13
  6. Step 6: Final answer
    x = 82,012.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.