Home / 70,074.60-96,702.18-38,243.22

Finding the Fourth Proportional to 70,074.60, 96,702.18 and 38,243.22

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Solution

The fourth proportional to 70,074.60, 96,702.18 and 38,243.22 is: 52,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074.60 : 96,702.18 = 38,243.22 : x
  2. Step 2: Convert to fraction form
    70,074.60/96,702.18 = 38,243.22/x
  3. Step 3: Cross multiply
    70,074.60x = 96,702.18 × 38,243.22
  4. Step 4: Simplify right side
    70,074.60x = 3,698,202,744.22
  5. Step 5: Solve for x
    x = 3,698,202,744.22/70,074.60
  6. Step 6: Final answer
    x = 52,775.22

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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.