Home / 115,035.36-172,319.48-58,074.10

Finding the Fourth Proportional to 115,035.36, 172,319.48 and 58,074.10

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Solution

The fourth proportional to 115,035.36, 172,319.48 and 58,074.10 is: 86,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,035.36 : 172,319.48 = 58,074.10 : x
  2. Step 2: Convert to fraction form
    115,035.36/172,319.48 = 58,074.10/x
  3. Step 3: Cross multiply
    115,035.36x = 172,319.48 × 58,074.10
  4. Step 4: Simplify right side
    115,035.36x = 10,007,298,713.47
  5. Step 5: Solve for x
    x = 10,007,298,713.47/115,035.36
  6. Step 6: Final answer
    x = 86,993.24

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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.