Home / 75,886.30-113,841.77-28,505.08

Finding the Fourth Proportional to 75,886.30, 113,841.77 and 28,505.08

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Solution

The fourth proportional to 75,886.30, 113,841.77 and 28,505.08 is: 42,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,886.30 : 113,841.77 = 28,505.08 : x
  2. Step 2: Convert to fraction form
    75,886.30/113,841.77 = 28,505.08/x
  3. Step 3: Cross multiply
    75,886.30x = 113,841.77 × 28,505.08
  4. Step 4: Simplify right side
    75,886.30x = 3,245,068,334.06
  5. Step 5: Solve for x
    x = 3,245,068,334.06/75,886.30
  6. Step 6: Final answer
    x = 42,762.24

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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.