Home / 70,691.52-97,554.36-38,860.96

Finding the Fourth Proportional to 70,691.52, 97,554.36 and 38,860.96

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Solution

The fourth proportional to 70,691.52, 97,554.36 and 38,860.96 is: 53,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.52 : 97,554.36 = 38,860.96 : x
  2. Step 2: Convert to fraction form
    70,691.52/97,554.36 = 38,860.96/x
  3. Step 3: Cross multiply
    70,691.52x = 97,554.36 × 38,860.96
  4. Step 4: Simplify right side
    70,691.52x = 3,791,056,081.79
  5. Step 5: Solve for x
    x = 3,791,056,081.79/70,691.52
  6. Step 6: Final answer
    x = 53,628.16

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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.