Home / 84,744.55-127,115.91-20,703.27

Finding the Fourth Proportional to 84,744.55, 127,115.91 and 20,703.27

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Solution

The fourth proportional to 84,744.55, 127,115.91 and 20,703.27 is: 31,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744.55 : 127,115.91 = 20,703.27 : x
  2. Step 2: Convert to fraction form
    84,744.55/127,115.91 = 20,703.27/x
  3. Step 3: Cross multiply
    84,744.55x = 127,115.91 × 20,703.27
  4. Step 4: Simplify right side
    84,744.55x = 2,631,715,482.71
  5. Step 5: Solve for x
    x = 2,631,715,482.71/84,744.55
  6. Step 6: Final answer
    x = 31,054.69

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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.