Home / 84,729.16-127,071.46-40,267.45

Finding the Fourth Proportional to 84,729.16, 127,071.46 and 40,267.45

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Solution

The fourth proportional to 84,729.16, 127,071.46 and 40,267.45 is: 60,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,729.16 : 127,071.46 = 40,267.45 : x
  2. Step 2: Convert to fraction form
    84,729.16/127,071.46 = 40,267.45/x
  3. Step 3: Cross multiply
    84,729.16x = 127,071.46 × 40,267.45
  4. Step 4: Simplify right side
    84,729.16x = 5,116,843,661.98
  5. Step 5: Solve for x
    x = 5,116,843,661.98/84,729.16
  6. Step 6: Final answer
    x = 60,390.59

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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.