Home / 70,608.17-97,439.16-38,777.07

Finding the Fourth Proportional to 70,608.17, 97,439.16 and 38,777.07

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Solution

The fourth proportional to 70,608.17, 97,439.16 and 38,777.07 is: 53,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,608.17 : 97,439.16 = 38,777.07 : x
  2. Step 2: Convert to fraction form
    70,608.17/97,439.16 = 38,777.07/x
  3. Step 3: Cross multiply
    70,608.17x = 97,439.16 × 38,777.07
  4. Step 4: Simplify right side
    70,608.17x = 3,778,404,446.98
  5. Step 5: Solve for x
    x = 3,778,404,446.98/70,608.17
  6. Step 6: Final answer
    x = 53,512.29

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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.