Home / 82,905.76-124,254.60-65,306.08

Finding the Fourth Proportional to 82,905.76, 124,254.60 and 65,306.08

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Solution

The fourth proportional to 82,905.76, 124,254.60 and 65,306.08 is: 97,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,905.76 : 124,254.60 = 65,306.08 : x
  2. Step 2: Convert to fraction form
    82,905.76/124,254.60 = 65,306.08/x
  3. Step 3: Cross multiply
    82,905.76x = 124,254.60 × 65,306.08
  4. Step 4: Simplify right side
    82,905.76x = 8,114,580,847.97
  5. Step 5: Solve for x
    x = 8,114,580,847.97/82,905.76
  6. Step 6: Final answer
    x = 97,877.17

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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.