Home / 91,237.16-136,876.02-28,063.64

Finding the Fourth Proportional to 91,237.16, 136,876.02 and 28,063.64

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Solution

The fourth proportional to 91,237.16, 136,876.02 and 28,063.64 is: 42,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,237.16 : 136,876.02 = 28,063.64 : x
  2. Step 2: Convert to fraction form
    91,237.16/136,876.02 = 28,063.64/x
  3. Step 3: Cross multiply
    91,237.16x = 136,876.02 × 28,063.64
  4. Step 4: Simplify right side
    91,237.16x = 3,841,239,349.91
  5. Step 5: Solve for x
    x = 3,841,239,349.91/91,237.16
  6. Step 6: Final answer
    x = 42,101.70

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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.