Home / 76,398.10-114,598.66-26,479.82

Finding the Fourth Proportional to 76,398.10, 114,598.66 and 26,479.82

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Solution

The fourth proportional to 76,398.10, 114,598.66 and 26,479.82 is: 39,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,398.10 : 114,598.66 = 26,479.82 : x
  2. Step 2: Convert to fraction form
    76,398.10/114,598.66 = 26,479.82/x
  3. Step 3: Cross multiply
    76,398.10x = 114,598.66 × 26,479.82
  4. Step 4: Simplify right side
    76,398.10x = 3,034,551,889.04
  5. Step 5: Solve for x
    x = 3,034,551,889.04/76,398.10
  6. Step 6: Final answer
    x = 39,720.25

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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.