Home / 88,318.71-121,843.86-50,070.18

Finding the Fourth Proportional to 88,318.71, 121,843.86 and 50,070.18

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Solution

The fourth proportional to 88,318.71, 121,843.86 and 50,070.18 is: 69,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,318.71 : 121,843.86 = 50,070.18 : x
  2. Step 2: Convert to fraction form
    88,318.71/121,843.86 = 50,070.18/x
  3. Step 3: Cross multiply
    88,318.71x = 121,843.86 × 50,070.18
  4. Step 4: Simplify right side
    88,318.71x = 6,100,744,002.09
  5. Step 5: Solve for x
    x = 6,100,744,002.09/88,318.71
  6. Step 6: Final answer
    x = 69,076.46

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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.