Home / 90,366.59-124,711.40-52,125.42

Finding the Fourth Proportional to 90,366.59, 124,711.40 and 52,125.42

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Solution

The fourth proportional to 90,366.59, 124,711.40 and 52,125.42 is: 71,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.59 : 124,711.40 = 52,125.42 : x
  2. Step 2: Convert to fraction form
    90,366.59/124,711.40 = 52,125.42/x
  3. Step 3: Cross multiply
    90,366.59x = 124,711.40 × 52,125.42
  4. Step 4: Simplify right side
    90,366.59x = 6,500,634,408.56
  5. Step 5: Solve for x
    x = 6,500,634,408.56/90,366.59
  6. Step 6: Final answer
    x = 71,936.26

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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.