Home / 56,115.47-77,376.56-45,874.55

Finding the Fourth Proportional to 56,115.47, 77,376.56 and 45,874.55

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Solution

The fourth proportional to 56,115.47, 77,376.56 and 45,874.55 is: 63,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,115.47 : 77,376.56 = 45,874.55 : x
  2. Step 2: Convert to fraction form
    56,115.47/77,376.56 = 45,874.55/x
  3. Step 3: Cross multiply
    56,115.47x = 77,376.56 × 45,874.55
  4. Step 4: Simplify right side
    56,115.47x = 3,549,614,598.35
  5. Step 5: Solve for x
    x = 3,549,614,598.35/56,115.47
  6. Step 6: Final answer
    x = 63,255.54

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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.