Home / 90,617.74-125,056.64-50,331.65

Finding the Fourth Proportional to 90,617.74, 125,056.64 and 50,331.65

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Solution

The fourth proportional to 90,617.74, 125,056.64 and 50,331.65 is: 69,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.74 : 125,056.64 = 50,331.65 : x
  2. Step 2: Convert to fraction form
    90,617.74/125,056.64 = 50,331.65/x
  3. Step 3: Cross multiply
    90,617.74x = 125,056.64 × 50,331.65
  4. Step 4: Simplify right side
    90,617.74x = 6,294,306,535.20
  5. Step 5: Solve for x
    x = 6,294,306,535.20/90,617.74
  6. Step 6: Final answer
    x = 69,459.98

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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.