Home / 88,125.64-121,613.00-47,839.07

Finding the Fourth Proportional to 88,125.64, 121,613.00 and 47,839.07

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Solution

The fourth proportional to 88,125.64, 121,613.00 and 47,839.07 is: 66,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125.64 : 121,613.00 = 47,839.07 : x
  2. Step 2: Convert to fraction form
    88,125.64/121,613.00 = 47,839.07/x
  3. Step 3: Cross multiply
    88,125.64x = 121,613.00 × 47,839.07
  4. Step 4: Simplify right side
    88,125.64x = 5,817,852,884.75
  5. Step 5: Solve for x
    x = 5,817,852,884.75/88,125.64
  6. Step 6: Final answer
    x = 66,017.71

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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.