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Finding the Fourth Proportional to 97,508.37, 134,559.90 and 54,488.55

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Solution

The fourth proportional to 97,508.37, 134,559.90 and 54,488.55 is: 75,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,508.37 : 134,559.90 = 54,488.55 : x
  2. Step 2: Convert to fraction form
    97,508.37/134,559.90 = 54,488.55/x
  3. Step 3: Cross multiply
    97,508.37x = 134,559.90 × 54,488.55
  4. Step 4: Simplify right side
    97,508.37x = 7,331,973,839.15
  5. Step 5: Solve for x
    x = 7,331,973,839.15/97,508.37
  6. Step 6: Final answer
    x = 75,193.28

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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.