Home / 107,848.55-148,842.13-64,842.11

Finding the Fourth Proportional to 107,848.55, 148,842.13 and 64,842.11

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Solution

The fourth proportional to 107,848.55, 148,842.13 and 64,842.11 is: 89,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,848.55 : 148,842.13 = 64,842.11 : x
  2. Step 2: Convert to fraction form
    107,848.55/148,842.13 = 64,842.11/x
  3. Step 3: Cross multiply
    107,848.55x = 148,842.13 × 64,842.11
  4. Step 4: Simplify right side
    107,848.55x = 9,651,237,766.09
  5. Step 5: Solve for x
    x = 9,651,237,766.09/107,848.55
  6. Step 6: Final answer
    x = 89,488.80

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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.