Home / 62,969.13-86,869.29-42,544.60

Finding the Fourth Proportional to 62,969.13, 86,869.29 and 42,544.60

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Solution

The fourth proportional to 62,969.13, 86,869.29 and 42,544.60 is: 58,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.13 : 86,869.29 = 42,544.60 : x
  2. Step 2: Convert to fraction form
    62,969.13/86,869.29 = 42,544.60/x
  3. Step 3: Cross multiply
    62,969.13x = 86,869.29 × 42,544.60
  4. Step 4: Simplify right side
    62,969.13x = 3,695,818,982.61
  5. Step 5: Solve for x
    x = 3,695,818,982.61/62,969.13
  6. Step 6: Final answer
    x = 58,692.55

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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.