Home / 88,046.88-121,504.29-47,760.66

Finding the Fourth Proportional to 88,046.88, 121,504.29 and 47,760.66

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Solution

The fourth proportional to 88,046.88, 121,504.29 and 47,760.66 is: 65,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,046.88 : 121,504.29 = 47,760.66 : x
  2. Step 2: Convert to fraction form
    88,046.88/121,504.29 = 47,760.66/x
  3. Step 3: Cross multiply
    88,046.88x = 121,504.29 × 47,760.66
  4. Step 4: Simplify right side
    88,046.88x = 5,803,125,083.23
  5. Step 5: Solve for x
    x = 5,803,125,083.23/88,046.88
  6. Step 6: Final answer
    x = 65,909.49

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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.