Home / 84,981.06-127,471.50-40,472.82

Finding the Fourth Proportional to 84,981.06, 127,471.50 and 40,472.82

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Solution

The fourth proportional to 84,981.06, 127,471.50 and 40,472.82 is: 60,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,981.06 : 127,471.50 = 40,472.82 : x
  2. Step 2: Convert to fraction form
    84,981.06/127,471.50 = 40,472.82/x
  3. Step 3: Cross multiply
    84,981.06x = 127,471.50 × 40,472.82
  4. Step 4: Simplify right side
    84,981.06x = 5,159,131,074.63
  5. Step 5: Solve for x
    x = 5,159,131,074.63/84,981.06
  6. Step 6: Final answer
    x = 60,709.19

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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.