Home / 70,281.15-96,990.30-38,449.32

Finding the Fourth Proportional to 70,281.15, 96,990.30 and 38,449.32

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Solution

The fourth proportional to 70,281.15, 96,990.30 and 38,449.32 is: 53,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.15 : 96,990.30 = 38,449.32 : x
  2. Step 2: Convert to fraction form
    70,281.15/96,990.30 = 38,449.32/x
  3. Step 3: Cross multiply
    70,281.15x = 96,990.30 × 38,449.32
  4. Step 4: Simplify right side
    70,281.15x = 3,729,211,081.60
  5. Step 5: Solve for x
    x = 3,729,211,081.60/70,281.15
  6. Step 6: Final answer
    x = 53,061.33

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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.