Home / 76,372.80-105,379.56-44,543.04

Finding the Fourth Proportional to 76,372.80, 105,379.56 and 44,543.04

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Solution

The fourth proportional to 76,372.80, 105,379.56 and 44,543.04 is: 61,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,372.80 : 105,379.56 = 44,543.04 : x
  2. Step 2: Convert to fraction form
    76,372.80/105,379.56 = 44,543.04/x
  3. Step 3: Cross multiply
    76,372.80x = 105,379.56 × 44,543.04
  4. Step 4: Simplify right side
    76,372.80x = 4,693,925,956.26
  5. Step 5: Solve for x
    x = 4,693,925,956.26/76,372.80
  6. Step 6: Final answer
    x = 61,460.70

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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.