Home / 77,613.60-116,345.28-24,987.36

Finding the Fourth Proportional to 77,613.60, 116,345.28 and 24,987.36

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Solution

The fourth proportional to 77,613.60, 116,345.28 and 24,987.36 is: 37,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,613.60 : 116,345.28 = 24,987.36 : x
  2. Step 2: Convert to fraction form
    77,613.60/116,345.28 = 24,987.36/x
  3. Step 3: Cross multiply
    77,613.60x = 116,345.28 × 24,987.36
  4. Step 4: Simplify right side
    77,613.60x = 2,907,161,395.66
  5. Step 5: Solve for x
    x = 2,907,161,395.66/77,613.60
  6. Step 6: Final answer
    x = 37,456.86

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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.