Home / 103,083.91-154,685.33-55,699.13

Finding the Fourth Proportional to 103,083.91, 154,685.33 and 55,699.13

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Solution

The fourth proportional to 103,083.91, 154,685.33 and 55,699.13 is: 83,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083.91 : 154,685.33 = 55,699.13 : x
  2. Step 2: Convert to fraction form
    103,083.91/154,685.33 = 55,699.13/x
  3. Step 3: Cross multiply
    103,083.91x = 154,685.33 × 55,699.13
  4. Step 4: Simplify right side
    103,083.91x = 8,615,838,304.76
  5. Step 5: Solve for x
    x = 8,615,838,304.76/103,083.91
  6. Step 6: Final answer
    x = 83,580.83

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1.5x scale

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.