Home / 94,032.81-129,731.22-61,784.78

Finding the Fourth Proportional to 94,032.81, 129,731.22 and 61,784.78

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Solution

The fourth proportional to 94,032.81, 129,731.22 and 61,784.78 is: 85,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,032.81 : 129,731.22 = 61,784.78 : x
  2. Step 2: Convert to fraction form
    94,032.81/129,731.22 = 61,784.78/x
  3. Step 3: Cross multiply
    94,032.81x = 129,731.22 × 61,784.78
  4. Step 4: Simplify right side
    94,032.81x = 8,015,414,238.18
  5. Step 5: Solve for x
    x = 8,015,414,238.18/94,032.81
  6. Step 6: Final answer
    x = 85,240.61

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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.