Home / 87,763.12-121,112.94-47,476.93

Finding the Fourth Proportional to 87,763.12, 121,112.94 and 47,476.93

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Solution

The fourth proportional to 87,763.12, 121,112.94 and 47,476.93 is: 65,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,763.12 : 121,112.94 = 47,476.93 : x
  2. Step 2: Convert to fraction form
    87,763.12/121,112.94 = 47,476.93/x
  3. Step 3: Cross multiply
    87,763.12x = 121,112.94 × 47,476.93
  4. Step 4: Simplify right side
    87,763.12x = 5,750,070,574.47
  5. Step 5: Solve for x
    x = 5,750,070,574.47/87,763.12
  6. Step 6: Final answer
    x = 65,518.07

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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.