Home / 71,555.90-98,679.14-52,157.18

Finding the Fourth Proportional to 71,555.90, 98,679.14 and 52,157.18

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Solution

The fourth proportional to 71,555.90, 98,679.14 and 52,157.18 is: 71,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.90 : 98,679.14 = 52,157.18 : x
  2. Step 2: Convert to fraction form
    71,555.90/98,679.14 = 52,157.18/x
  3. Step 3: Cross multiply
    71,555.90x = 98,679.14 × 52,157.18
  4. Step 4: Simplify right side
    71,555.90x = 5,146,825,667.23
  5. Step 5: Solve for x
    x = 5,146,825,667.23/71,555.90
  6. Step 6: Final answer
    x = 71,927.34

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1.5x scale

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.