Home / 88,123.17-121,610.06-47,836.95

Finding the Fourth Proportional to 88,123.17, 121,610.06 and 47,836.95

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Solution

The fourth proportional to 88,123.17, 121,610.06 and 47,836.95 is: 66,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,123.17 : 121,610.06 = 47,836.95 : x
  2. Step 2: Convert to fraction form
    88,123.17/121,610.06 = 47,836.95/x
  3. Step 3: Cross multiply
    88,123.17x = 121,610.06 × 47,836.95
  4. Step 4: Simplify right side
    88,123.17x = 5,817,453,843.88
  5. Step 5: Solve for x
    x = 5,817,453,843.88/88,123.17
  6. Step 6: Final answer
    x = 66,015.03

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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.