Home / 88,084.18-121,558.28-47,799.64

Finding the Fourth Proportional to 88,084.18, 121,558.28 and 47,799.64

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Solution

The fourth proportional to 88,084.18, 121,558.28 and 47,799.64 is: 65,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,084.18 : 121,558.28 = 47,799.64 : x
  2. Step 2: Convert to fraction form
    88,084.18/121,558.28 = 47,799.64/x
  3. Step 3: Cross multiply
    88,084.18x = 121,558.28 × 47,799.64
  4. Step 4: Simplify right side
    88,084.18x = 5,810,442,023.02
  5. Step 5: Solve for x
    x = 5,810,442,023.02/88,084.18
  6. Step 6: Final answer
    x = 65,964.65

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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.