Home / 80,147.48-110,607.56-48,326.64

Finding the Fourth Proportional to 80,147.48, 110,607.56 and 48,326.64

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Solution

The fourth proportional to 80,147.48, 110,607.56 and 48,326.64 is: 66,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,147.48 : 110,607.56 = 48,326.64 : x
  2. Step 2: Convert to fraction form
    80,147.48/110,607.56 = 48,326.64/x
  3. Step 3: Cross multiply
    80,147.48x = 110,607.56 × 48,326.64
  4. Step 4: Simplify right side
    80,147.48x = 5,345,291,733.40
  5. Step 5: Solve for x
    x = 5,345,291,733.40/80,147.48
  6. Step 6: Final answer
    x = 66,693.20

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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.