Home / 72,451.10-108,547.05-44,716.70

Finding the Fourth Proportional to 72,451.10, 108,547.05 and 44,716.70

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Solution

The fourth proportional to 72,451.10, 108,547.05 and 44,716.70 is: 66,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,451.10 : 108,547.05 = 44,716.70 : x
  2. Step 2: Convert to fraction form
    72,451.10/108,547.05 = 44,716.70/x
  3. Step 3: Cross multiply
    72,451.10x = 108,547.05 × 44,716.70
  4. Step 4: Simplify right side
    72,451.10x = 4,853,865,870.74
  5. Step 5: Solve for x
    x = 4,853,865,870.74/72,451.10
  6. Step 6: Final answer
    x = 66,995.06

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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.