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Finding the Fourth Proportional to 56,765.88, 85,148.76 and 26,773.12

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Solution

The fourth proportional to 56,765.88, 85,148.76 and 26,773.12 is: 40,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.88 : 85,148.76 = 26,773.12 : x
  2. Step 2: Convert to fraction form
    56,765.88/85,148.76 = 26,773.12/x
  3. Step 3: Cross multiply
    56,765.88x = 85,148.76 × 26,773.12
  4. Step 4: Simplify right side
    56,765.88x = 2,279,697,969.33
  5. Step 5: Solve for x
    x = 2,279,697,969.33/56,765.88
  6. Step 6: Final answer
    x = 40,159.65

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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.