Home / 91,059.52-136,506.07-31,862.89

Finding the Fourth Proportional to 91,059.52, 136,506.07 and 31,862.89

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Solution

The fourth proportional to 91,059.52, 136,506.07 and 31,862.89 is: 47,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.52 : 136,506.07 = 31,862.89 : x
  2. Step 2: Convert to fraction form
    91,059.52/136,506.07 = 31,862.89/x
  3. Step 3: Cross multiply
    91,059.52x = 136,506.07 × 31,862.89
  4. Step 4: Simplify right side
    91,059.52x = 4,349,477,892.74
  5. Step 5: Solve for x
    x = 4,349,477,892.74/91,059.52
  6. Step 6: Final answer
    x = 47,765.22

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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.