Home / 126,448.70-189,766.59-59,888.94

Finding the Fourth Proportional to 126,448.70, 189,766.59 and 59,888.94

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Solution

The fourth proportional to 126,448.70, 189,766.59 and 59,888.94 is: 89,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,448.70 : 189,766.59 = 59,888.94 : x
  2. Step 2: Convert to fraction form
    126,448.70/189,766.59 = 59,888.94/x
  3. Step 3: Cross multiply
    126,448.70x = 189,766.59 × 59,888.94
  4. Step 4: Simplify right side
    126,448.70x = 11,364,919,922.51
  5. Step 5: Solve for x
    x = 11,364,919,922.51/126,448.70
  6. Step 6: Final answer
    x = 89,877.72

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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.