Home / 74,923.40-112,389.44-28,176.68

Finding the Fourth Proportional to 74,923.40, 112,389.44 and 28,176.68

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Solution

The fourth proportional to 74,923.40, 112,389.44 and 28,176.68 is: 42,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.40 : 112,389.44 = 28,176.68 : x
  2. Step 2: Convert to fraction form
    74,923.40/112,389.44 = 28,176.68/x
  3. Step 3: Cross multiply
    74,923.40x = 112,389.44 × 28,176.68
  4. Step 4: Simplify right side
    74,923.40x = 3,166,761,426.35
  5. Step 5: Solve for x
    x = 3,166,761,426.35/74,923.40
  6. Step 6: Final answer
    x = 42,266.65

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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.