Home / 92,541.42-138,810.92-22,421.34

Finding the Fourth Proportional to 92,541.42, 138,810.92 and 22,421.34

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Solution

The fourth proportional to 92,541.42, 138,810.92 and 22,421.34 is: 33,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.42 : 138,810.92 = 22,421.34 : x
  2. Step 2: Convert to fraction form
    92,541.42/138,810.92 = 22,421.34/x
  3. Step 3: Cross multiply
    92,541.42x = 138,810.92 × 22,421.34
  4. Step 4: Simplify right side
    92,541.42x = 3,112,326,720.93
  5. Step 5: Solve for x
    x = 3,112,326,720.93/92,541.42
  6. Step 6: Final answer
    x = 33,631.72

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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.