Home / 99,588.54-149,382.31-57,441.32

Finding the Fourth Proportional to 99,588.54, 149,382.31 and 57,441.32

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Solution

The fourth proportional to 99,588.54, 149,382.31 and 57,441.32 is: 86,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.54 : 149,382.31 = 57,441.32 : x
  2. Step 2: Convert to fraction form
    99,588.54/149,382.31 = 57,441.32/x
  3. Step 3: Cross multiply
    99,588.54x = 149,382.31 × 57,441.32
  4. Step 4: Simplify right side
    99,588.54x = 8,580,717,071.05
  5. Step 5: Solve for x
    x = 8,580,717,071.05/99,588.54
  6. Step 6: Final answer
    x = 86,161.69

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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.