Home / 89,868.48-124,017.70-49,582.60

Finding the Fourth Proportional to 89,868.48, 124,017.70 and 49,582.60

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Solution

The fourth proportional to 89,868.48, 124,017.70 and 49,582.60 is: 68,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,868.48 : 124,017.70 = 49,582.60 : x
  2. Step 2: Convert to fraction form
    89,868.48/124,017.70 = 49,582.60/x
  3. Step 3: Cross multiply
    89,868.48x = 124,017.70 × 49,582.60
  4. Step 4: Simplify right side
    89,868.48x = 6,149,120,012.02
  5. Step 5: Solve for x
    x = 6,149,120,012.02/89,868.48
  6. Step 6: Final answer
    x = 68,423.55

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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.