Home / 88,151.15-121,645.45-47,864.08

Finding the Fourth Proportional to 88,151.15, 121,645.45 and 47,864.08

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Solution

The fourth proportional to 88,151.15, 121,645.45 and 47,864.08 is: 66,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.15 : 121,645.45 = 47,864.08 : x
  2. Step 2: Convert to fraction form
    88,151.15/121,645.45 = 47,864.08/x
  3. Step 3: Cross multiply
    88,151.15x = 121,645.45 × 47,864.08
  4. Step 4: Simplify right side
    88,151.15x = 5,822,447,493.09
  5. Step 5: Solve for x
    x = 5,822,447,493.09/88,151.15
  6. Step 6: Final answer
    x = 66,050.72

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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.