Home / 71,094.10-98,115.66-40,889.20

Finding the Fourth Proportional to 71,094.10, 98,115.66 and 40,889.20

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Solution

The fourth proportional to 71,094.10, 98,115.66 and 40,889.20 is: 56,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094.10 : 98,115.66 = 40,889.20 : x
  2. Step 2: Convert to fraction form
    71,094.10/98,115.66 = 40,889.20/x
  3. Step 3: Cross multiply
    71,094.10x = 98,115.66 × 40,889.20
  4. Step 4: Simplify right side
    71,094.10x = 4,011,870,844.87
  5. Step 5: Solve for x
    x = 4,011,870,844.87/71,094.10
  6. Step 6: Final answer
    x = 56,430.43

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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.