Home / 61,619.40-92,429.10-57,731.40

Finding the Fourth Proportional to 61,619.40, 92,429.10 and 57,731.40

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Solution

The fourth proportional to 61,619.40, 92,429.10 and 57,731.40 is: 86,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.40 : 92,429.10 = 57,731.40 : x
  2. Step 2: Convert to fraction form
    61,619.40/92,429.10 = 57,731.40/x
  3. Step 3: Cross multiply
    61,619.40x = 92,429.10 × 57,731.40
  4. Step 4: Simplify right side
    61,619.40x = 5,336,061,343.74
  5. Step 5: Solve for x
    x = 5,336,061,343.74/61,619.40
  6. Step 6: Final answer
    x = 86,597.10

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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.