Home / 76,899.60-115,349.67-37,422.90

Finding the Fourth Proportional to 76,899.60, 115,349.67 and 37,422.90

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Solution

The fourth proportional to 76,899.60, 115,349.67 and 37,422.90 is: 56,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,899.60 : 115,349.67 = 37,422.90 : x
  2. Step 2: Convert to fraction form
    76,899.60/115,349.67 = 37,422.90/x
  3. Step 3: Cross multiply
    76,899.60x = 115,349.67 × 37,422.90
  4. Step 4: Simplify right side
    76,899.60x = 4,316,719,165.44
  5. Step 5: Solve for x
    x = 4,316,719,165.44/76,899.60
  6. Step 6: Final answer
    x = 56,134.48

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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.