Home / 90,441.01-124,807.98-50,154.81

Finding the Fourth Proportional to 90,441.01, 124,807.98 and 50,154.81

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Solution

The fourth proportional to 90,441.01, 124,807.98 and 50,154.81 is: 69,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441.01 : 124,807.98 = 50,154.81 : x
  2. Step 2: Convert to fraction form
    90,441.01/124,807.98 = 50,154.81/x
  3. Step 3: Cross multiply
    90,441.01x = 124,807.98 × 50,154.81
  4. Step 4: Simplify right side
    90,441.01x = 6,259,720,523.38
  5. Step 5: Solve for x
    x = 6,259,720,523.38/90,441.01
  6. Step 6: Final answer
    x = 69,213.30

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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.