Home / 88,115.07-121,598.91-47,828.83

Finding the Fourth Proportional to 88,115.07, 121,598.91 and 47,828.83

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Solution

The fourth proportional to 88,115.07, 121,598.91 and 47,828.83 is: 66,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.07 : 121,598.91 = 47,828.83 : x
  2. Step 2: Convert to fraction form
    88,115.07/121,598.91 = 47,828.83/x
  3. Step 3: Cross multiply
    88,115.07x = 121,598.91 × 47,828.83
  4. Step 4: Simplify right side
    88,115.07x = 5,815,933,594.58
  5. Step 5: Solve for x
    x = 5,815,933,594.58/88,115.07
  6. Step 6: Final answer
    x = 66,003.85

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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.