Home / 124,866.45-172,319.27-71,152.11

Finding the Fourth Proportional to 124,866.45, 172,319.27 and 71,152.11

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Solution

The fourth proportional to 124,866.45, 172,319.27 and 71,152.11 is: 98,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,866.45 : 172,319.27 = 71,152.11 : x
  2. Step 2: Convert to fraction form
    124,866.45/172,319.27 = 71,152.11/x
  3. Step 3: Cross multiply
    124,866.45x = 172,319.27 × 71,152.11
  4. Step 4: Simplify right side
    124,866.45x = 12,260,879,298.40
  5. Step 5: Solve for x
    x = 12,260,879,298.40/124,866.45
  6. Step 6: Final answer
    x = 98,191.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.