Home / 90,374.28-124,713.30-50,091.81

Finding the Fourth Proportional to 90,374.28, 124,713.30 and 50,091.81

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Solution

The fourth proportional to 90,374.28, 124,713.30 and 50,091.81 is: 69,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.28 : 124,713.30 = 50,091.81 : x
  2. Step 2: Convert to fraction form
    90,374.28/124,713.30 = 50,091.81/x
  3. Step 3: Cross multiply
    90,374.28x = 124,713.30 × 50,091.81
  4. Step 4: Simplify right side
    90,374.28x = 6,247,114,928.07
  5. Step 5: Solve for x
    x = 6,247,114,928.07/90,374.28
  6. Step 6: Final answer
    x = 69,124.92

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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.