Home / 115,335.40-172,907.10-48,826.60

Finding the Fourth Proportional to 115,335.40, 172,907.10 and 48,826.60

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Solution

The fourth proportional to 115,335.40, 172,907.10 and 48,826.60 is: 73,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,335.40 : 172,907.10 = 48,826.60 : x
  2. Step 2: Convert to fraction form
    115,335.40/172,907.10 = 48,826.60/x
  3. Step 3: Cross multiply
    115,335.40x = 172,907.10 × 48,826.60
  4. Step 4: Simplify right side
    115,335.40x = 8,442,465,808.86
  5. Step 5: Solve for x
    x = 8,442,465,808.86/115,335.40
  6. Step 6: Final answer
    x = 73,199.26

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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.