Home / 107,488.89-148,348.67-65,048.13

Finding the Fourth Proportional to 107,488.89, 148,348.67 and 65,048.13

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Solution

The fourth proportional to 107,488.89, 148,348.67 and 65,048.13 is: 89,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,488.89 : 148,348.67 = 65,048.13 : x
  2. Step 2: Convert to fraction form
    107,488.89/148,348.67 = 65,048.13/x
  3. Step 3: Cross multiply
    107,488.89x = 148,348.67 × 65,048.13
  4. Step 4: Simplify right side
    107,488.89x = 9,649,803,246.25
  5. Step 5: Solve for x
    x = 9,649,803,246.25/107,488.89
  6. Step 6: Final answer
    x = 89,774.89

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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.