Home / 108,541.20-162,860.40-49,346.40

Finding the Fourth Proportional to 108,541.20, 162,860.40 and 49,346.40

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Solution

The fourth proportional to 108,541.20, 162,860.40 and 49,346.40 is: 74,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.20 : 162,860.40 = 49,346.40 : x
  2. Step 2: Convert to fraction form
    108,541.20/162,860.40 = 49,346.40/x
  3. Step 3: Cross multiply
    108,541.20x = 162,860.40 × 49,346.40
  4. Step 4: Simplify right side
    108,541.20x = 8,036,574,442.56
  5. Step 5: Solve for x
    x = 8,036,574,442.56/108,541.20
  6. Step 6: Final answer
    x = 74,041.70

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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.