Home / 115,960.10-173,810.55-66,064.10

Finding the Fourth Proportional to 115,960.10, 173,810.55 and 66,064.10

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Solution

The fourth proportional to 115,960.10, 173,810.55 and 66,064.10 is: 99,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,960.10 : 173,810.55 = 66,064.10 : x
  2. Step 2: Convert to fraction form
    115,960.10/173,810.55 = 66,064.10/x
  3. Step 3: Cross multiply
    115,960.10x = 173,810.55 × 66,064.10
  4. Step 4: Simplify right side
    115,960.10x = 11,482,637,556.26
  5. Step 5: Solve for x
    x = 11,482,637,556.26/115,960.10
  6. Step 6: Final answer
    x = 99,022.32

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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.