Home / 90,066.70-135,027.12-37,515.52

Finding the Fourth Proportional to 90,066.70, 135,027.12 and 37,515.52

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Solution

The fourth proportional to 90,066.70, 135,027.12 and 37,515.52 is: 56,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.70 : 135,027.12 = 37,515.52 : x
  2. Step 2: Convert to fraction form
    90,066.70/135,027.12 = 37,515.52/x
  3. Step 3: Cross multiply
    90,066.70x = 135,027.12 × 37,515.52
  4. Step 4: Simplify right side
    90,066.70x = 5,065,612,620.90
  5. Step 5: Solve for x
    x = 5,065,612,620.90/90,066.70
  6. Step 6: Final answer
    x = 56,242.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.