Home / 75,862.08-113,807.80-29,111.32

Finding the Fourth Proportional to 75,862.08, 113,807.80 and 29,111.32

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Solution

The fourth proportional to 75,862.08, 113,807.80 and 29,111.32 is: 43,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.08 : 113,807.80 = 29,111.32 : x
  2. Step 2: Convert to fraction form
    75,862.08/113,807.80 = 29,111.32/x
  3. Step 3: Cross multiply
    75,862.08x = 113,807.80 × 29,111.32
  4. Step 4: Simplify right side
    75,862.08x = 3,313,095,284.30
  5. Step 5: Solve for x
    x = 3,313,095,284.30/75,862.08
  6. Step 6: Final answer
    x = 43,672.61

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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.