Home / 70,517.16-97,319.88-38,692.26

Finding the Fourth Proportional to 70,517.16, 97,319.88 and 38,692.26

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Solution

The fourth proportional to 70,517.16, 97,319.88 and 38,692.26 is: 53,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,517.16 : 97,319.88 = 38,692.26 : x
  2. Step 2: Convert to fraction form
    70,517.16/97,319.88 = 38,692.26/x
  3. Step 3: Cross multiply
    70,517.16x = 97,319.88 × 38,692.26
  4. Step 4: Simplify right side
    70,517.16x = 3,765,526,100.13
  5. Step 5: Solve for x
    x = 3,765,526,100.13/70,517.16
  6. Step 6: Final answer
    x = 53,398.72

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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.