Home / 99,600.07-137,446.25-54,278.37

Finding the Fourth Proportional to 99,600.07, 137,446.25 and 54,278.37

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Solution

The fourth proportional to 99,600.07, 137,446.25 and 54,278.37 is: 74,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.07 : 137,446.25 = 54,278.37 : x
  2. Step 2: Convert to fraction form
    99,600.07/137,446.25 = 54,278.37/x
  3. Step 3: Cross multiply
    99,600.07x = 137,446.25 × 54,278.37
  4. Step 4: Simplify right side
    99,600.07x = 7,460,357,725.38
  5. Step 5: Solve for x
    x = 7,460,357,725.38/99,600.07
  6. Step 6: Final answer
    x = 74,903.14

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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.