Home / 76,807.08-115,131.56-29,411.01

Finding the Fourth Proportional to 76,807.08, 115,131.56 and 29,411.01

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Solution

The fourth proportional to 76,807.08, 115,131.56 and 29,411.01 is: 44,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.08 : 115,131.56 = 29,411.01 : x
  2. Step 2: Convert to fraction form
    76,807.08/115,131.56 = 29,411.01/x
  3. Step 3: Cross multiply
    76,807.08x = 115,131.56 × 29,411.01
  4. Step 4: Simplify right side
    76,807.08x = 3,386,135,315.42
  5. Step 5: Solve for x
    x = 3,386,135,315.42/76,807.08
  6. Step 6: Final answer
    x = 44,086.24

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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.