Home / 88,269.46-132,329.55-38,312

Finding the Fourth Proportional to 88,269.46, 132,329.55 and 38,312

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Solution

The fourth proportional to 88,269.46, 132,329.55 and 38,312 is: 57,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.46 : 132,329.55 = 38,312 : x
  2. Step 2: Convert to fraction form
    88,269.46/132,329.55 = 38,312/x
  3. Step 3: Cross multiply
    88,269.46x = 132,329.55 × 38,312
  4. Step 4: Simplify right side
    88,269.46x = 5,069,809,719.60
  5. Step 5: Solve for x
    x = 5,069,809,719.60/88,269.46
  6. Step 6: Final answer
    x = 57,435.60

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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.