Home / 71,022.86-98,017.08-40,818.72

Finding the Fourth Proportional to 71,022.86, 98,017.08 and 40,818.72

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Solution

The fourth proportional to 71,022.86, 98,017.08 and 40,818.72 is: 56,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.86 : 98,017.08 = 40,818.72 : x
  2. Step 2: Convert to fraction form
    71,022.86/98,017.08 = 40,818.72/x
  3. Step 3: Cross multiply
    71,022.86x = 98,017.08 × 40,818.72
  4. Step 4: Simplify right side
    71,022.86x = 4,000,932,141.85
  5. Step 5: Solve for x
    x = 4,000,932,141.85/71,022.86
  6. Step 6: Final answer
    x = 56,333.02

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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.