Home / 82,875.40-124,276.65-32,938.90

Finding the Fourth Proportional to 82,875.40, 124,276.65 and 32,938.90

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Solution

The fourth proportional to 82,875.40, 124,276.65 and 32,938.90 is: 49,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,875.40 : 124,276.65 = 32,938.90 : x
  2. Step 2: Convert to fraction form
    82,875.40/124,276.65 = 32,938.90/x
  3. Step 3: Cross multiply
    82,875.40x = 124,276.65 × 32,938.90
  4. Step 4: Simplify right side
    82,875.40x = 4,093,536,146.69
  5. Step 5: Solve for x
    x = 4,093,536,146.69/82,875.40
  6. Step 6: Final answer
    x = 49,393.86

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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.