Home / 99,316.13-137,056.25-54,604.13

Finding the Fourth Proportional to 99,316.13, 137,056.25 and 54,604.13

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Solution

The fourth proportional to 99,316.13, 137,056.25 and 54,604.13 is: 75,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,316.13 : 137,056.25 = 54,604.13 : x
  2. Step 2: Convert to fraction form
    99,316.13/137,056.25 = 54,604.13/x
  3. Step 3: Cross multiply
    99,316.13x = 137,056.25 × 54,604.13
  4. Step 4: Simplify right side
    99,316.13x = 7,483,836,743.54
  5. Step 5: Solve for x
    x = 7,483,836,743.54/99,316.13
  6. Step 6: Final answer
    x = 75,353.69

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1.5x scale

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.