Home / 74,754.38-112,134.63-34,810.58

Finding the Fourth Proportional to 74,754.38, 112,134.63 and 34,810.58

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Solution

The fourth proportional to 74,754.38, 112,134.63 and 34,810.58 is: 52,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754.38 : 112,134.63 = 34,810.58 : x
  2. Step 2: Convert to fraction form
    74,754.38/112,134.63 = 34,810.58/x
  3. Step 3: Cross multiply
    74,754.38x = 112,134.63 × 34,810.58
  4. Step 4: Simplify right side
    74,754.38x = 3,903,471,508.39
  5. Step 5: Solve for x
    x = 3,903,471,508.39/74,754.38
  6. Step 6: Final answer
    x = 52,217.29

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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.