Home / 84,731.16-127,074.46-40,269.46

Finding the Fourth Proportional to 84,731.16, 127,074.46 and 40,269.46

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Solution

The fourth proportional to 84,731.16, 127,074.46 and 40,269.46 is: 60,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.16 : 127,074.46 = 40,269.46 : x
  2. Step 2: Convert to fraction form
    84,731.16/127,074.46 = 40,269.46/x
  3. Step 3: Cross multiply
    84,731.16x = 127,074.46 × 40,269.46
  4. Step 4: Simplify right side
    84,731.16x = 5,117,219,883.99
  5. Step 5: Solve for x
    x = 5,117,219,883.99/84,731.16
  6. Step 6: Final answer
    x = 60,393.60

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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.