Home / 89,957.73-124,152.20-74,823.69

Finding the Fourth Proportional to 89,957.73, 124,152.20 and 74,823.69

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Solution

The fourth proportional to 89,957.73, 124,152.20 and 74,823.69 is: 103,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.73 : 124,152.20 = 74,823.69 : x
  2. Step 2: Convert to fraction form
    89,957.73/124,152.20 = 74,823.69/x
  3. Step 3: Cross multiply
    89,957.73x = 124,152.20 × 74,823.69
  4. Step 4: Simplify right side
    89,957.73x = 9,289,525,351.50
  5. Step 5: Solve for x
    x = 9,289,525,351.50/89,957.73
  6. Step 6: Final answer
    x = 103,265.45

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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.