Home / 70,548.17-97,358.37-38,718.20

Finding the Fourth Proportional to 70,548.17, 97,358.37 and 38,718.20

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Solution

The fourth proportional to 70,548.17, 97,358.37 and 38,718.20 is: 53,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548.17 : 97,358.37 = 38,718.20 : x
  2. Step 2: Convert to fraction form
    70,548.17/97,358.37 = 38,718.20/x
  3. Step 3: Cross multiply
    70,548.17x = 97,358.37 × 38,718.20
  4. Step 4: Simplify right side
    70,548.17x = 3,769,540,841.33
  5. Step 5: Solve for x
    x = 3,769,540,841.33/70,548.17
  6. Step 6: Final answer
    x = 53,432.16

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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.