Home / 77,019.18-115,340.07-63,610.13

Finding the Fourth Proportional to 77,019.18, 115,340.07 and 63,610.13

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Solution

The fourth proportional to 77,019.18, 115,340.07 and 63,610.13 is: 95,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,019.18 : 115,340.07 = 63,610.13 : x
  2. Step 2: Convert to fraction form
    77,019.18/115,340.07 = 63,610.13/x
  3. Step 3: Cross multiply
    77,019.18x = 115,340.07 × 63,610.13
  4. Step 4: Simplify right side
    77,019.18x = 7,336,797,373.80
  5. Step 5: Solve for x
    x = 7,336,797,373.80/77,019.18
  6. Step 6: Final answer
    x = 95,259.36

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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.