Home / 70,688.22-97,549.17-38,856.78

Finding the Fourth Proportional to 70,688.22, 97,549.17 and 38,856.78

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Solution

The fourth proportional to 70,688.22, 97,549.17 and 38,856.78 is: 53,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.22 : 97,549.17 = 38,856.78 : x
  2. Step 2: Convert to fraction form
    70,688.22/97,549.17 = 38,856.78/x
  3. Step 3: Cross multiply
    70,688.22x = 97,549.17 × 38,856.78
  4. Step 4: Simplify right side
    70,688.22x = 3,790,446,637.87
  5. Step 5: Solve for x
    x = 3,790,446,637.87/70,688.22
  6. Step 6: Final answer
    x = 53,622.04

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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.