Home / 88,338.17-121,884.88-54,352.19

Finding the Fourth Proportional to 88,338.17, 121,884.88 and 54,352.19

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Solution

The fourth proportional to 88,338.17, 121,884.88 and 54,352.19 is: 74,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,338.17 : 121,884.88 = 54,352.19 : x
  2. Step 2: Convert to fraction form
    88,338.17/121,884.88 = 54,352.19/x
  3. Step 3: Cross multiply
    88,338.17x = 121,884.88 × 54,352.19
  4. Step 4: Simplify right side
    88,338.17x = 6,624,710,155.89
  5. Step 5: Solve for x
    x = 6,624,710,155.89/88,338.17
  6. Step 6: Final answer
    x = 74,992.61

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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.