Home / 74,977.34-112,521.38-35,534.57

Finding the Fourth Proportional to 74,977.34, 112,521.38 and 35,534.57

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Solution

The fourth proportional to 74,977.34, 112,521.38 and 35,534.57 is: 53,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,977.34 : 112,521.38 = 35,534.57 : x
  2. Step 2: Convert to fraction form
    74,977.34/112,521.38 = 35,534.57/x
  3. Step 3: Cross multiply
    74,977.34x = 112,521.38 × 35,534.57
  4. Step 4: Simplify right side
    74,977.34x = 3,998,398,113.83
  5. Step 5: Solve for x
    x = 3,998,398,113.83/74,977.34
  6. Step 6: Final answer
    x = 53,328.09

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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.