Home / 115,210.22-172,659.81-59,845.10

Finding the Fourth Proportional to 115,210.22, 172,659.81 and 59,845.10

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Solution

The fourth proportional to 115,210.22, 172,659.81 and 59,845.10 is: 89,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210.22 : 172,659.81 = 59,845.10 : x
  2. Step 2: Convert to fraction form
    115,210.22/172,659.81 = 59,845.10/x
  3. Step 3: Cross multiply
    115,210.22x = 172,659.81 × 59,845.10
  4. Step 4: Simplify right side
    115,210.22x = 10,332,843,595.43
  5. Step 5: Solve for x
    x = 10,332,843,595.43/115,210.22
  6. Step 6: Final answer
    x = 89,686.87

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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.