Home / 70,268.23-96,972.15-38,439.15

Finding the Fourth Proportional to 70,268.23, 96,972.15 and 38,439.15

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Solution

The fourth proportional to 70,268.23, 96,972.15 and 38,439.15 is: 53,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268.23 : 96,972.15 = 38,439.15 : x
  2. Step 2: Convert to fraction form
    70,268.23/96,972.15 = 38,439.15/x
  3. Step 3: Cross multiply
    70,268.23x = 96,972.15 × 38,439.15
  4. Step 4: Simplify right side
    70,268.23x = 3,727,527,019.67
  5. Step 5: Solve for x
    x = 3,727,527,019.67/70,268.23
  6. Step 6: Final answer
    x = 53,047.12

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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.