Home / 70,022.65-96,631.19-38,191.45

Finding the Fourth Proportional to 70,022.65, 96,631.19 and 38,191.45

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Solution

The fourth proportional to 70,022.65, 96,631.19 and 38,191.45 is: 52,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,022.65 : 96,631.19 = 38,191.45 : x
  2. Step 2: Convert to fraction form
    70,022.65/96,631.19 = 38,191.45/x
  3. Step 3: Cross multiply
    70,022.65x = 96,631.19 × 38,191.45
  4. Step 4: Simplify right side
    70,022.65x = 3,690,484,873.65
  5. Step 5: Solve for x
    x = 3,690,484,873.65/70,022.65
  6. Step 6: Final answer
    x = 52,704.16

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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.