Home / 107,890.92-148,792.95-67,609.08

Finding the Fourth Proportional to 107,890.92, 148,792.95 and 67,609.08

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Solution

The fourth proportional to 107,890.92, 148,792.95 and 67,609.08 is: 93,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.92 : 148,792.95 = 67,609.08 : x
  2. Step 2: Convert to fraction form
    107,890.92/148,792.95 = 67,609.08/x
  3. Step 3: Cross multiply
    107,890.92x = 148,792.95 × 67,609.08
  4. Step 4: Simplify right side
    107,890.92x = 10,059,754,459.99
  5. Step 5: Solve for x
    x = 10,059,754,459.99/107,890.92
  6. Step 6: Final answer
    x = 93,240.05

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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.