Home / 115,110.80-172,768.76-58,989.12

Finding the Fourth Proportional to 115,110.80, 172,768.76 and 58,989.12

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Solution

The fourth proportional to 115,110.80, 172,768.76 and 58,989.12 is: 88,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,110.80 : 172,768.76 = 58,989.12 : x
  2. Step 2: Convert to fraction form
    115,110.80/172,768.76 = 58,989.12/x
  3. Step 3: Cross multiply
    115,110.80x = 172,768.76 × 58,989.12
  4. Step 4: Simplify right side
    115,110.80x = 10,191,477,115.89
  5. Step 5: Solve for x
    x = 10,191,477,115.89/115,110.80
  6. Step 6: Final answer
    x = 88,536.24

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1.5x scale

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.