Home / 86,248.28-129,328.67-39,461.06

Finding the Fourth Proportional to 86,248.28, 129,328.67 and 39,461.06

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Solution

The fourth proportional to 86,248.28, 129,328.67 and 39,461.06 is: 59,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,248.28 : 129,328.67 = 39,461.06 : x
  2. Step 2: Convert to fraction form
    86,248.28/129,328.67 = 39,461.06/x
  3. Step 3: Cross multiply
    86,248.28x = 129,328.67 × 39,461.06
  4. Step 4: Simplify right side
    86,248.28x = 5,103,446,828.56
  5. Step 5: Solve for x
    x = 5,103,446,828.56/86,248.28
  6. Step 6: Final answer
    x = 59,171.58

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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.