Home / 66,429.41-99,691.50-36,870.89

Finding the Fourth Proportional to 66,429.41, 99,691.50 and 36,870.89

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Solution

The fourth proportional to 66,429.41, 99,691.50 and 36,870.89 is: 55,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.41 : 99,691.50 = 36,870.89 : x
  2. Step 2: Convert to fraction form
    66,429.41/99,691.50 = 36,870.89/x
  3. Step 3: Cross multiply
    66,429.41x = 99,691.50 × 36,870.89
  4. Step 4: Simplify right side
    66,429.41x = 3,675,714,330.44
  5. Step 5: Solve for x
    x = 3,675,714,330.44/66,429.41
  6. Step 6: Final answer
    x = 55,332.64

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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.