Home / 63,154.20-94,512.60-57,905.40

Finding the Fourth Proportional to 63,154.20, 94,512.60 and 57,905.40

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Solution

The fourth proportional to 63,154.20, 94,512.60 and 57,905.40 is: 86,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.20 : 94,512.60 = 57,905.40 : x
  2. Step 2: Convert to fraction form
    63,154.20/94,512.60 = 57,905.40/x
  3. Step 3: Cross multiply
    63,154.20x = 94,512.60 × 57,905.40
  4. Step 4: Simplify right side
    63,154.20x = 5,472,789,908.04
  5. Step 5: Solve for x
    x = 5,472,789,908.04/63,154.20
  6. Step 6: Final answer
    x = 86,657.58

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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.