Home / 86,248.03-129,328.31-39,460.81

Finding the Fourth Proportional to 86,248.03, 129,328.31 and 39,460.81

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Solution

The fourth proportional to 86,248.03, 129,328.31 and 39,460.81 is: 59,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,248.03 : 129,328.31 = 39,460.81 : x
  2. Step 2: Convert to fraction form
    86,248.03/129,328.31 = 39,460.81/x
  3. Step 3: Cross multiply
    86,248.03x = 129,328.31 × 39,460.81
  4. Step 4: Simplify right side
    86,248.03x = 5,103,399,868.53
  5. Step 5: Solve for x
    x = 5,103,399,868.53/86,248.03
  6. Step 6: Final answer
    x = 59,171.21

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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.