Home / 70,520.18-97,317.27-38,254.70

Finding the Fourth Proportional to 70,520.18, 97,317.27 and 38,254.70

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Solution

The fourth proportional to 70,520.18, 97,317.27 and 38,254.70 is: 52,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,520.18 : 97,317.27 = 38,254.70 : x
  2. Step 2: Convert to fraction form
    70,520.18/97,317.27 = 38,254.70/x
  3. Step 3: Cross multiply
    70,520.18x = 97,317.27 × 38,254.70
  4. Step 4: Simplify right side
    70,520.18x = 3,722,843,211.96
  5. Step 5: Solve for x
    x = 3,722,843,211.96/70,520.18
  6. Step 6: Final answer
    x = 52,791.18

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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.