Home / 62,557.21-86,344.14-38,669.50

Finding the Fourth Proportional to 62,557.21, 86,344.14 and 38,669.50

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Solution

The fourth proportional to 62,557.21, 86,344.14 and 38,669.50 is: 53,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,557.21 : 86,344.14 = 38,669.50 : x
  2. Step 2: Convert to fraction form
    62,557.21/86,344.14 = 38,669.50/x
  3. Step 3: Cross multiply
    62,557.21x = 86,344.14 × 38,669.50
  4. Step 4: Simplify right side
    62,557.21x = 3,338,884,721.73
  5. Step 5: Solve for x
    x = 3,338,884,721.73/62,557.21
  6. Step 6: Final answer
    x = 53,373.30

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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.