Home / 77,281.26-115,908.12-35,151.48

Finding the Fourth Proportional to 77,281.26, 115,908.12 and 35,151.48

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Solution

The fourth proportional to 77,281.26, 115,908.12 and 35,151.48 is: 52,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,281.26 : 115,908.12 = 35,151.48 : x
  2. Step 2: Convert to fraction form
    77,281.26/115,908.12 = 35,151.48/x
  3. Step 3: Cross multiply
    77,281.26x = 115,908.12 × 35,151.48
  4. Step 4: Simplify right side
    77,281.26x = 4,074,341,962.02
  5. Step 5: Solve for x
    x = 4,074,341,962.02/77,281.26
  6. Step 6: Final answer
    x = 52,720.96

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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.