Home / 57,087.59-78,778.08-31,593.50

Finding the Fourth Proportional to 57,087.59, 78,778.08 and 31,593.50

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Solution

The fourth proportional to 57,087.59, 78,778.08 and 31,593.50 is: 43,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.59 : 78,778.08 = 31,593.50 : x
  2. Step 2: Convert to fraction form
    57,087.59/78,778.08 = 31,593.50/x
  3. Step 3: Cross multiply
    57,087.59x = 78,778.08 × 31,593.50
  4. Step 4: Simplify right side
    57,087.59x = 2,488,875,270.48
  5. Step 5: Solve for x
    x = 2,488,875,270.48/57,087.59
  6. Step 6: Final answer
    x = 43,597.48

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1.5x scale

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.