Home / 70,663.32-97,515.09-38,833.56

Finding the Fourth Proportional to 70,663.32, 97,515.09 and 38,833.56

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Solution

The fourth proportional to 70,663.32, 97,515.09 and 38,833.56 is: 53,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,663.32 : 97,515.09 = 38,833.56 : x
  2. Step 2: Convert to fraction form
    70,663.32/97,515.09 = 38,833.56/x
  3. Step 3: Cross multiply
    70,663.32x = 97,515.09 × 38,833.56
  4. Step 4: Simplify right side
    70,663.32x = 3,786,858,098.42
  5. Step 5: Solve for x
    x = 3,786,858,098.42/70,663.32
  6. Step 6: Final answer
    x = 53,590.15

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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.