Home / 90,358.11-124,684.03-50,061.69

Finding the Fourth Proportional to 90,358.11, 124,684.03 and 50,061.69

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Solution

The fourth proportional to 90,358.11, 124,684.03 and 50,061.69 is: 69,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,358.11 : 124,684.03 = 50,061.69 : x
  2. Step 2: Convert to fraction form
    90,358.11/124,684.03 = 50,061.69/x
  3. Step 3: Cross multiply
    90,358.11x = 124,684.03 × 50,061.69
  4. Step 4: Simplify right side
    90,358.11x = 6,241,893,257.81
  5. Step 5: Solve for x
    x = 6,241,893,257.81/90,358.11
  6. Step 6: Final answer
    x = 69,079.50

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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.