Home / 88,073.76-121,496.58-55,753.56

Finding the Fourth Proportional to 88,073.76, 121,496.58 and 55,753.56

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Solution

The fourth proportional to 88,073.76, 121,496.58 and 55,753.56 is: 76,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,073.76 : 121,496.58 = 55,753.56 : x
  2. Step 2: Convert to fraction form
    88,073.76/121,496.58 = 55,753.56/x
  3. Step 3: Cross multiply
    88,073.76x = 121,496.58 × 55,753.56
  4. Step 4: Simplify right side
    88,073.76x = 6,773,866,862.82
  5. Step 5: Solve for x
    x = 6,773,866,862.82/88,073.76
  6. Step 6: Final answer
    x = 76,911.29

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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.