Home / 65,590.28-98,385.44-30,488.96

Finding the Fourth Proportional to 65,590.28, 98,385.44 and 30,488.96

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Solution

The fourth proportional to 65,590.28, 98,385.44 and 30,488.96 is: 45,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,590.28 : 98,385.44 = 30,488.96 : x
  2. Step 2: Convert to fraction form
    65,590.28/98,385.44 = 30,488.96/x
  3. Step 3: Cross multiply
    65,590.28x = 98,385.44 × 30,488.96
  4. Step 4: Simplify right side
    65,590.28x = 2,999,669,744.74
  5. Step 5: Solve for x
    x = 2,999,669,744.74/65,590.28
  6. Step 6: Final answer
    x = 45,733.45

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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.