Home / 105,773.04-158,815.08-43,565.04

Finding the Fourth Proportional to 105,773.04, 158,815.08 and 43,565.04

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Solution

The fourth proportional to 105,773.04, 158,815.08 and 43,565.04 is: 65,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,773.04 : 158,815.08 = 43,565.04 : x
  2. Step 2: Convert to fraction form
    105,773.04/158,815.08 = 43,565.04/x
  3. Step 3: Cross multiply
    105,773.04x = 158,815.08 × 43,565.04
  4. Step 4: Simplify right side
    105,773.04x = 6,918,785,312.80
  5. Step 5: Solve for x
    x = 6,918,785,312.80/105,773.04
  6. Step 6: Final answer
    x = 65,411.61

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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.