Home / 86,507.64-129,721.14-44,943.48

Finding the Fourth Proportional to 86,507.64, 129,721.14 and 44,943.48

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Solution

The fourth proportional to 86,507.64, 129,721.14 and 44,943.48 is: 67,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,507.64 : 129,721.14 = 44,943.48 : x
  2. Step 2: Convert to fraction form
    86,507.64/129,721.14 = 44,943.48/x
  3. Step 3: Cross multiply
    86,507.64x = 129,721.14 × 44,943.48
  4. Step 4: Simplify right side
    86,507.64x = 5,830,119,461.17
  5. Step 5: Solve for x
    x = 5,830,119,461.17/86,507.64
  6. Step 6: Final answer
    x = 67,394.27

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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.