Home / 99,596.07-137,443.25-54,273.92

Finding the Fourth Proportional to 99,596.07, 137,443.25 and 54,273.92

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Solution

The fourth proportional to 99,596.07, 137,443.25 and 54,273.92 is: 74,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.07 : 137,443.25 = 54,273.92 : x
  2. Step 2: Convert to fraction form
    99,596.07/137,443.25 = 54,273.92/x
  3. Step 3: Cross multiply
    99,596.07x = 137,443.25 × 54,273.92
  4. Step 4: Simplify right side
    99,596.07x = 7,459,582,996.45
  5. Step 5: Solve for x
    x = 7,459,582,996.45/99,596.07
  6. Step 6: Final answer
    x = 74,898.37

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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.