Home / 66,577.10-91,864.14-39,357.58

Finding the Fourth Proportional to 66,577.10, 91,864.14 and 39,357.58

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Solution

The fourth proportional to 66,577.10, 91,864.14 and 39,357.58 is: 54,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.10 : 91,864.14 = 39,357.58 : x
  2. Step 2: Convert to fraction form
    66,577.10/91,864.14 = 39,357.58/x
  3. Step 3: Cross multiply
    66,577.10x = 91,864.14 × 39,357.58
  4. Step 4: Simplify right side
    66,577.10x = 3,615,550,239.18
  5. Step 5: Solve for x
    x = 3,615,550,239.18/66,577.10
  6. Step 6: Final answer
    x = 54,306.21

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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.