Home / 72,098.22-108,016.08-70,523.58

Finding the Fourth Proportional to 72,098.22, 108,016.08 and 70,523.58

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Solution

The fourth proportional to 72,098.22, 108,016.08 and 70,523.58 is: 105,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,098.22 : 108,016.08 = 70,523.58 : x
  2. Step 2: Convert to fraction form
    72,098.22/108,016.08 = 70,523.58/x
  3. Step 3: Cross multiply
    72,098.22x = 108,016.08 × 70,523.58
  4. Step 4: Simplify right side
    72,098.22x = 7,617,680,659.17
  5. Step 5: Solve for x
    x = 7,617,680,659.17/72,098.22
  6. Step 6: Final answer
    x = 105,656.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.