Home / 70,682.17-97,540.13-38,851.06

Finding the Fourth Proportional to 70,682.17, 97,540.13 and 38,851.06

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Solution

The fourth proportional to 70,682.17, 97,540.13 and 38,851.06 is: 53,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,682.17 : 97,540.13 = 38,851.06 : x
  2. Step 2: Convert to fraction form
    70,682.17/97,540.13 = 38,851.06/x
  3. Step 3: Cross multiply
    70,682.17x = 97,540.13 × 38,851.06
  4. Step 4: Simplify right side
    70,682.17x = 3,789,537,443.04
  5. Step 5: Solve for x
    x = 3,789,537,443.04/70,682.17
  6. Step 6: Final answer
    x = 53,613.77

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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.