Home / 103,020.12-154,543.14-36,444.60

Finding the Fourth Proportional to 103,020.12, 154,543.14 and 36,444.60

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Solution

The fourth proportional to 103,020.12, 154,543.14 and 36,444.60 is: 54,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,020.12 : 154,543.14 = 36,444.60 : x
  2. Step 2: Convert to fraction form
    103,020.12/154,543.14 = 36,444.60/x
  3. Step 3: Cross multiply
    103,020.12x = 154,543.14 × 36,444.60
  4. Step 4: Simplify right side
    103,020.12x = 5,632,262,920.04
  5. Step 5: Solve for x
    x = 5,632,262,920.04/103,020.12
  6. Step 6: Final answer
    x = 54,671.48

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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.