Home / 73,595.16-110,367.21-20,990.52

Finding the Fourth Proportional to 73,595.16, 110,367.21 and 20,990.52

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Solution

The fourth proportional to 73,595.16, 110,367.21 and 20,990.52 is: 31,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,595.16 : 110,367.21 = 20,990.52 : x
  2. Step 2: Convert to fraction form
    73,595.16/110,367.21 = 20,990.52/x
  3. Step 3: Cross multiply
    73,595.16x = 110,367.21 × 20,990.52
  4. Step 4: Simplify right side
    73,595.16x = 2,316,665,128.85
  5. Step 5: Solve for x
    x = 2,316,665,128.85/73,595.16
  6. Step 6: Final answer
    x = 31,478.50

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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.