Home / 71,292.64-98,377.10-42,606.60

Finding the Fourth Proportional to 71,292.64, 98,377.10 and 42,606.60

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Solution

The fourth proportional to 71,292.64, 98,377.10 and 42,606.60 is: 58,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,292.64 : 98,377.10 = 42,606.60 : x
  2. Step 2: Convert to fraction form
    71,292.64/98,377.10 = 42,606.60/x
  3. Step 3: Cross multiply
    71,292.64x = 98,377.10 × 42,606.60
  4. Step 4: Simplify right side
    71,292.64x = 4,191,513,748.86
  5. Step 5: Solve for x
    x = 4,191,513,748.86/71,292.64
  6. Step 6: Final answer
    x = 58,793.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.