Home / 76,711.16-115,081.32-24,106.52

Finding the Fourth Proportional to 76,711.16, 115,081.32 and 24,106.52

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Solution

The fourth proportional to 76,711.16, 115,081.32 and 24,106.52 is: 36,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,711.16 : 115,081.32 = 24,106.52 : x
  2. Step 2: Convert to fraction form
    76,711.16/115,081.32 = 24,106.52/x
  3. Step 3: Cross multiply
    76,711.16x = 115,081.32 × 24,106.52
  4. Step 4: Simplify right side
    76,711.16x = 2,774,210,142.21
  5. Step 5: Solve for x
    x = 2,774,210,142.21/76,711.16
  6. Step 6: Final answer
    x = 36,164.36

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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.