Home / 115,552.20-159,447.37-67,788.12

Finding the Fourth Proportional to 115,552.20, 159,447.37 and 67,788.12

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Solution

The fourth proportional to 115,552.20, 159,447.37 and 67,788.12 is: 93,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,552.20 : 159,447.37 = 67,788.12 : x
  2. Step 2: Convert to fraction form
    115,552.20/159,447.37 = 67,788.12/x
  3. Step 3: Cross multiply
    115,552.20x = 159,447.37 × 67,788.12
  4. Step 4: Simplify right side
    115,552.20x = 10,808,637,451.24
  5. Step 5: Solve for x
    x = 10,808,637,451.24/115,552.20
  6. Step 6: Final answer
    x = 93,539.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.