Home / 70,542.06-97,344.17-38,708.45

Finding the Fourth Proportional to 70,542.06, 97,344.17 and 38,708.45

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Solution

The fourth proportional to 70,542.06, 97,344.17 and 38,708.45 is: 53,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.06 : 97,344.17 = 38,708.45 : x
  2. Step 2: Convert to fraction form
    70,542.06/97,344.17 = 38,708.45/x
  3. Step 3: Cross multiply
    70,542.06x = 97,344.17 × 38,708.45
  4. Step 4: Simplify right side
    70,542.06x = 3,768,041,256.97
  5. Step 5: Solve for x
    x = 3,768,041,256.97/70,542.06
  6. Step 6: Final answer
    x = 53,415.53

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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.