Home / 71,264.15-98,343.14-39,433.28

Finding the Fourth Proportional to 71,264.15, 98,343.14 and 39,433.28

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Solution

The fourth proportional to 71,264.15, 98,343.14 and 39,433.28 is: 54,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,264.15 : 98,343.14 = 39,433.28 : x
  2. Step 2: Convert to fraction form
    71,264.15/98,343.14 = 39,433.28/x
  3. Step 3: Cross multiply
    71,264.15x = 98,343.14 × 39,433.28
  4. Step 4: Simplify right side
    71,264.15x = 3,877,991,886.82
  5. Step 5: Solve for x
    x = 3,877,991,886.82/71,264.15
  6. Step 6: Final answer
    x = 54,417.15

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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.