Home / 90,302.28-124,615.50-50,015.91

Finding the Fourth Proportional to 90,302.28, 124,615.50 and 50,015.91

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Solution

The fourth proportional to 90,302.28, 124,615.50 and 50,015.91 is: 69,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.28 : 124,615.50 = 50,015.91 : x
  2. Step 2: Convert to fraction form
    90,302.28/124,615.50 = 50,015.91/x
  3. Step 3: Cross multiply
    90,302.28x = 124,615.50 × 50,015.91
  4. Step 4: Simplify right side
    90,302.28x = 6,232,757,632.61
  5. Step 5: Solve for x
    x = 6,232,757,632.61/90,302.28
  6. Step 6: Final answer
    x = 69,021.04

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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.