Home / 76,191.36-114,088.24-61,319.04

Finding the Fourth Proportional to 76,191.36, 114,088.24 and 61,319.04

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Solution

The fourth proportional to 76,191.36, 114,088.24 and 61,319.04 is: 91,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,191.36 : 114,088.24 = 61,319.04 : x
  2. Step 2: Convert to fraction form
    76,191.36/114,088.24 = 61,319.04/x
  3. Step 3: Cross multiply
    76,191.36x = 114,088.24 × 61,319.04
  4. Step 4: Simplify right side
    76,191.36x = 6,995,781,352.09
  5. Step 5: Solve for x
    x = 6,995,781,352.09/76,191.36
  6. Step 6: Final answer
    x = 91,818.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.