Home / 70,084.08-96,707.52-39,873.28

Finding the Fourth Proportional to 70,084.08, 96,707.52 and 39,873.28

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Solution

The fourth proportional to 70,084.08, 96,707.52 and 39,873.28 is: 55,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,084.08 : 96,707.52 = 39,873.28 : x
  2. Step 2: Convert to fraction form
    70,084.08/96,707.52 = 39,873.28/x
  3. Step 3: Cross multiply
    70,084.08x = 96,707.52 × 39,873.28
  4. Step 4: Simplify right side
    70,084.08x = 3,856,046,023.07
  5. Step 5: Solve for x
    x = 3,856,046,023.07/70,084.08
  6. Step 6: Final answer
    x = 55,020.28

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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.