Home / 61,431.30-92,001.15-37,811.70

Finding the Fourth Proportional to 61,431.30, 92,001.15 and 37,811.70

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Solution

The fourth proportional to 61,431.30, 92,001.15 and 37,811.70 is: 56,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.30 : 92,001.15 = 37,811.70 : x
  2. Step 2: Convert to fraction form
    61,431.30/92,001.15 = 37,811.70/x
  3. Step 3: Cross multiply
    61,431.30x = 92,001.15 × 37,811.70
  4. Step 4: Simplify right side
    61,431.30x = 3,478,719,883.46
  5. Step 5: Solve for x
    x = 3,478,719,883.46/61,431.30
  6. Step 6: Final answer
    x = 56,627.81

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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.