Home / 78,292.20-117,287.14-46,727.48

Finding the Fourth Proportional to 78,292.20, 117,287.14 and 46,727.48

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Solution

The fourth proportional to 78,292.20, 117,287.14 and 46,727.48 is: 70,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,292.20 : 117,287.14 = 46,727.48 : x
  2. Step 2: Convert to fraction form
    78,292.20/117,287.14 = 46,727.48/x
  3. Step 3: Cross multiply
    78,292.20x = 117,287.14 × 46,727.48
  4. Step 4: Simplify right side
    78,292.20x = 5,480,532,488.61
  5. Step 5: Solve for x
    x = 5,480,532,488.61/78,292.20
  6. Step 6: Final answer
    x = 70,001.00

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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.