Home / 110,430.64-152,428.68-62,715.76

Finding the Fourth Proportional to 110,430.64, 152,428.68 and 62,715.76

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Solution

The fourth proportional to 110,430.64, 152,428.68 and 62,715.76 is: 86,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,430.64 : 152,428.68 = 62,715.76 : x
  2. Step 2: Convert to fraction form
    110,430.64/152,428.68 = 62,715.76/x
  3. Step 3: Cross multiply
    110,430.64x = 152,428.68 × 62,715.76
  4. Step 4: Simplify right side
    110,430.64x = 9,559,680,512.00
  5. Step 5: Solve for x
    x = 9,559,680,512.00/110,430.64
  6. Step 6: Final answer
    x = 86,567.28

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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.