Home / 71,158.48-98,124.96-61,120.08

Finding the Fourth Proportional to 71,158.48, 98,124.96 and 61,120.08

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Solution

The fourth proportional to 71,158.48, 98,124.96 and 61,120.08 is: 84,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,158.48 : 98,124.96 = 61,120.08 : x
  2. Step 2: Convert to fraction form
    71,158.48/98,124.96 = 61,120.08/x
  3. Step 3: Cross multiply
    71,158.48x = 98,124.96 × 61,120.08
  4. Step 4: Simplify right side
    71,158.48x = 5,997,405,405.20
  5. Step 5: Solve for x
    x = 5,997,405,405.20/71,158.48
  6. Step 6: Final answer
    x = 84,282.37

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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.