Home / 70,717.14-97,589.61-38,886.03

Finding the Fourth Proportional to 70,717.14, 97,589.61 and 38,886.03

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Solution

The fourth proportional to 70,717.14, 97,589.61 and 38,886.03 is: 53,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,717.14 : 97,589.61 = 38,886.03 : x
  2. Step 2: Convert to fraction form
    70,717.14/97,589.61 = 38,886.03/x
  3. Step 3: Cross multiply
    70,717.14x = 97,589.61 × 38,886.03
  4. Step 4: Simplify right side
    70,717.14x = 3,794,872,502.15
  5. Step 5: Solve for x
    x = 3,794,872,502.15/70,717.14
  6. Step 6: Final answer
    x = 53,662.70

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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.