Home / 88,127.88-121,616.58-47,841.66

Finding the Fourth Proportional to 88,127.88, 121,616.58 and 47,841.66

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Solution

The fourth proportional to 88,127.88, 121,616.58 and 47,841.66 is: 66,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.88 : 121,616.58 = 47,841.66 : x
  2. Step 2: Convert to fraction form
    88,127.88/121,616.58 = 47,841.66/x
  3. Step 3: Cross multiply
    88,127.88x = 121,616.58 × 47,841.66
  4. Step 4: Simplify right side
    88,127.88x = 5,818,339,070.72
  5. Step 5: Solve for x
    x = 5,818,339,070.72/88,127.88
  6. Step 6: Final answer
    x = 66,021.55

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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.