Home / 88,333.11-121,888.61-59,715.04

Finding the Fourth Proportional to 88,333.11, 121,888.61 and 59,715.04

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Solution

The fourth proportional to 88,333.11, 121,888.61 and 59,715.04 is: 82,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.11 : 121,888.61 = 59,715.04 : x
  2. Step 2: Convert to fraction form
    88,333.11/121,888.61 = 59,715.04/x
  3. Step 3: Cross multiply
    88,333.11x = 121,888.61 × 59,715.04
  4. Step 4: Simplify right side
    88,333.11x = 7,278,582,612.25
  5. Step 5: Solve for x
    x = 7,278,582,612.25/88,333.11
  6. Step 6: Final answer
    x = 82,399.26

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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.