Home / 74,631.29-111,990.67-53,548.61

Finding the Fourth Proportional to 74,631.29, 111,990.67 and 53,548.61

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Solution

The fourth proportional to 74,631.29, 111,990.67 and 53,548.61 is: 80,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631.29 : 111,990.67 = 53,548.61 : x
  2. Step 2: Convert to fraction form
    74,631.29/111,990.67 = 53,548.61/x
  3. Step 3: Cross multiply
    74,631.29x = 111,990.67 × 53,548.61
  4. Step 4: Simplify right side
    74,631.29x = 5,996,944,017.64
  5. Step 5: Solve for x
    x = 5,996,944,017.64/74,631.29
  6. Step 6: Final answer
    x = 80,354.29

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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.