Home / 70,445.18-97,214.12-38,180.75

Finding the Fourth Proportional to 70,445.18, 97,214.12 and 38,180.75

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Solution

The fourth proportional to 70,445.18, 97,214.12 and 38,180.75 is: 52,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,445.18 : 97,214.12 = 38,180.75 : x
  2. Step 2: Convert to fraction form
    70,445.18/97,214.12 = 38,180.75/x
  3. Step 3: Cross multiply
    70,445.18x = 97,214.12 × 38,180.75
  4. Step 4: Simplify right side
    70,445.18x = 3,711,707,335.22
  5. Step 5: Solve for x
    x = 3,711,707,335.22/70,445.18
  6. Step 6: Final answer
    x = 52,689.31

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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.