Home / 71,098.52-98,160.33-45,271.64

Finding the Fourth Proportional to 71,098.52, 98,160.33 and 45,271.64

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Solution

The fourth proportional to 71,098.52, 98,160.33 and 45,271.64 is: 62,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,098.52 : 98,160.33 = 45,271.64 : x
  2. Step 2: Convert to fraction form
    71,098.52/98,160.33 = 45,271.64/x
  3. Step 3: Cross multiply
    71,098.52x = 98,160.33 × 45,271.64
  4. Step 4: Simplify right side
    71,098.52x = 4,443,878,631.24
  5. Step 5: Solve for x
    x = 4,443,878,631.24/71,098.52
  6. Step 6: Final answer
    x = 62,503.11

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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.