Home / 84,974.03-127,465.70-28,045.61

Finding the Fourth Proportional to 84,974.03, 127,465.70 and 28,045.61

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Solution

The fourth proportional to 84,974.03, 127,465.70 and 28,045.61 is: 42,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,974.03 : 127,465.70 = 28,045.61 : x
  2. Step 2: Convert to fraction form
    84,974.03/127,465.70 = 28,045.61/x
  3. Step 3: Cross multiply
    84,974.03x = 127,465.70 × 28,045.61
  4. Step 4: Simplify right side
    84,974.03x = 3,574,853,168.77
  5. Step 5: Solve for x
    x = 3,574,853,168.77/84,974.03
  6. Step 6: Final answer
    x = 42,069.95

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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.