Home / 94,370.72-130,080.36-71,635.76

Finding the Fourth Proportional to 94,370.72, 130,080.36 and 71,635.76

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Solution

The fourth proportional to 94,370.72, 130,080.36 and 71,635.76 is: 98,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,370.72 : 130,080.36 = 71,635.76 : x
  2. Step 2: Convert to fraction form
    94,370.72/130,080.36 = 71,635.76/x
  3. Step 3: Cross multiply
    94,370.72x = 130,080.36 × 71,635.76
  4. Step 4: Simplify right side
    94,370.72x = 9,318,405,449.67
  5. Step 5: Solve for x
    x = 9,318,405,449.67/94,370.72
  6. Step 6: Final answer
    x = 98,742.55

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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.