Home / 71,699.04-107,446.77-52,830.72

Finding the Fourth Proportional to 71,699.04, 107,446.77 and 52,830.72

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Solution

The fourth proportional to 71,699.04, 107,446.77 and 52,830.72 is: 79,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,699.04 : 107,446.77 = 52,830.72 : x
  2. Step 2: Convert to fraction form
    71,699.04/107,446.77 = 52,830.72/x
  3. Step 3: Cross multiply
    71,699.04x = 107,446.77 × 52,830.72
  4. Step 4: Simplify right side
    71,699.04x = 5,676,490,220.77
  5. Step 5: Solve for x
    x = 5,676,490,220.77/71,699.04
  6. Step 6: Final answer
    x = 79,171.08

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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.