Home / 67,123.29-100,465.80-49,349.26

Finding the Fourth Proportional to 67,123.29, 100,465.80 and 49,349.26

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Solution

The fourth proportional to 67,123.29, 100,465.80 and 49,349.26 is: 73,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,123.29 : 100,465.80 = 49,349.26 : x
  2. Step 2: Convert to fraction form
    67,123.29/100,465.80 = 49,349.26/x
  3. Step 3: Cross multiply
    67,123.29x = 100,465.80 × 49,349.26
  4. Step 4: Simplify right side
    67,123.29x = 4,957,912,885.31
  5. Step 5: Solve for x
    x = 4,957,912,885.31/67,123.29
  6. Step 6: Final answer
    x = 73,862.78

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1.5x scale

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.