Home / 88,823.78-132,744.45-79,572.77

Finding the Fourth Proportional to 88,823.78, 132,744.45 and 79,572.77

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Solution

The fourth proportional to 88,823.78, 132,744.45 and 79,572.77 is: 118,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,823.78 : 132,744.45 = 79,572.77 : x
  2. Step 2: Convert to fraction form
    88,823.78/132,744.45 = 79,572.77/x
  3. Step 3: Cross multiply
    88,823.78x = 132,744.45 × 79,572.77
  4. Step 4: Simplify right side
    88,823.78x = 10,562,843,588.63
  5. Step 5: Solve for x
    x = 10,562,843,588.63/88,823.78
  6. Step 6: Final answer
    x = 118,919.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.