Home / 74,703.27-111,973.38-36,778.65

Finding the Fourth Proportional to 74,703.27, 111,973.38 and 36,778.65

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Solution

The fourth proportional to 74,703.27, 111,973.38 and 36,778.65 is: 55,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,703.27 : 111,973.38 = 36,778.65 : x
  2. Step 2: Convert to fraction form
    74,703.27/111,973.38 = 36,778.65/x
  3. Step 3: Cross multiply
    74,703.27x = 111,973.38 × 36,778.65
  4. Step 4: Simplify right side
    74,703.27x = 4,118,229,752.34
  5. Step 5: Solve for x
    x = 4,118,229,752.34/74,703.27
  6. Step 6: Final answer
    x = 55,127.84

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1.5x scale

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.