Home / 70,537.11-97,342.40-38,708.97

Finding the Fourth Proportional to 70,537.11, 97,342.40 and 38,708.97

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Solution

The fourth proportional to 70,537.11, 97,342.40 and 38,708.97 is: 53,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,537.11 : 97,342.40 = 38,708.97 : x
  2. Step 2: Convert to fraction form
    70,537.11/97,342.40 = 38,708.97/x
  3. Step 3: Cross multiply
    70,537.11x = 97,342.40 × 38,708.97
  4. Step 4: Simplify right side
    70,537.11x = 3,768,024,138.10
  5. Step 5: Solve for x
    x = 3,768,024,138.10/70,537.11
  6. Step 6: Final answer
    x = 53,419.03

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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.