Home / 72,296.91-99,755.56-45,423.85

Finding the Fourth Proportional to 72,296.91, 99,755.56 and 45,423.85

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Solution

The fourth proportional to 72,296.91, 99,755.56 and 45,423.85 is: 62,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296.91 : 99,755.56 = 45,423.85 : x
  2. Step 2: Convert to fraction form
    72,296.91/99,755.56 = 45,423.85/x
  3. Step 3: Cross multiply
    72,296.91x = 99,755.56 × 45,423.85
  4. Step 4: Simplify right side
    72,296.91x = 4,531,281,594.11
  5. Step 5: Solve for x
    x = 4,531,281,594.11/72,296.91
  6. Step 6: Final answer
    x = 62,676.00

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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.