Home / 74,885.80-112,263.03-28,171.48

Finding the Fourth Proportional to 74,885.80, 112,263.03 and 28,171.48

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Solution

The fourth proportional to 74,885.80, 112,263.03 and 28,171.48 is: 42,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885.80 : 112,263.03 = 28,171.48 : x
  2. Step 2: Convert to fraction form
    74,885.80/112,263.03 = 28,171.48/x
  3. Step 3: Cross multiply
    74,885.80x = 112,263.03 × 28,171.48
  4. Step 4: Simplify right side
    74,885.80x = 3,162,615,704.38
  5. Step 5: Solve for x
    x = 3,162,615,704.38/74,885.80
  6. Step 6: Final answer
    x = 42,232.52

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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.