Home / 71,155.08-98,187.60-40,932.36

Finding the Fourth Proportional to 71,155.08, 98,187.60 and 40,932.36

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Solution

The fourth proportional to 71,155.08, 98,187.60 and 40,932.36 is: 56,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,155.08 : 98,187.60 = 40,932.36 : x
  2. Step 2: Convert to fraction form
    71,155.08/98,187.60 = 40,932.36/x
  3. Step 3: Cross multiply
    71,155.08x = 98,187.60 × 40,932.36
  4. Step 4: Simplify right side
    71,155.08x = 4,019,050,190.74
  5. Step 5: Solve for x
    x = 4,019,050,190.74/71,155.08
  6. Step 6: Final answer
    x = 56,482.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.