Home / 71,702.72-98,909.40-43,014.75

Finding the Fourth Proportional to 71,702.72, 98,909.40 and 43,014.75

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Solution

The fourth proportional to 71,702.72, 98,909.40 and 43,014.75 is: 59,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702.72 : 98,909.40 = 43,014.75 : x
  2. Step 2: Convert to fraction form
    71,702.72/98,909.40 = 43,014.75/x
  3. Step 3: Cross multiply
    71,702.72x = 98,909.40 × 43,014.75
  4. Step 4: Simplify right side
    71,702.72x = 4,254,562,619.10
  5. Step 5: Solve for x
    x = 4,254,562,619.10/71,702.72
  6. Step 6: Final answer
    x = 59,336.14

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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.