Home / 70,372.56-97,114.16-38,107.18

Finding the Fourth Proportional to 70,372.56, 97,114.16 and 38,107.18

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Solution

The fourth proportional to 70,372.56, 97,114.16 and 38,107.18 is: 52,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.56 : 97,114.16 = 38,107.18 : x
  2. Step 2: Convert to fraction form
    70,372.56/97,114.16 = 38,107.18/x
  3. Step 3: Cross multiply
    70,372.56x = 97,114.16 × 38,107.18
  4. Step 4: Simplify right side
    70,372.56x = 3,700,746,775.67
  5. Step 5: Solve for x
    x = 3,700,746,775.67/70,372.56
  6. Step 6: Final answer
    x = 52,587.92

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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.