Home / 105,348.77-157,618.82-60,391.68

Finding the Fourth Proportional to 105,348.77, 157,618.82 and 60,391.68

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Solution

The fourth proportional to 105,348.77, 157,618.82 and 60,391.68 is: 90,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,348.77 : 157,618.82 = 60,391.68 : x
  2. Step 2: Convert to fraction form
    105,348.77/157,618.82 = 60,391.68/x
  3. Step 3: Cross multiply
    105,348.77x = 157,618.82 × 60,391.68
  4. Step 4: Simplify right side
    105,348.77x = 9,518,865,599.52
  5. Step 5: Solve for x
    x = 9,518,865,599.52/105,348.77
  6. Step 6: Final answer
    x = 90,355.73

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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.