Home / 115,846.80-173,640.60-59,665.20

Finding the Fourth Proportional to 115,846.80, 173,640.60 and 59,665.20

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Solution

The fourth proportional to 115,846.80, 173,640.60 and 59,665.20 is: 89,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,846.80 : 173,640.60 = 59,665.20 : x
  2. Step 2: Convert to fraction form
    115,846.80/173,640.60 = 59,665.20/x
  3. Step 3: Cross multiply
    115,846.80x = 173,640.60 × 59,665.20
  4. Step 4: Simplify right side
    115,846.80x = 10,360,301,127.12
  5. Step 5: Solve for x
    x = 10,360,301,127.12/115,846.80
  6. Step 6: Final answer
    x = 89,431.05

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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.