Home / 74,150.48-102,280.56-48,658.52

Finding the Fourth Proportional to 74,150.48, 102,280.56 and 48,658.52

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Solution

The fourth proportional to 74,150.48, 102,280.56 and 48,658.52 is: 67,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.48 : 102,280.56 = 48,658.52 : x
  2. Step 2: Convert to fraction form
    74,150.48/102,280.56 = 48,658.52/x
  3. Step 3: Cross multiply
    74,150.48x = 102,280.56 × 48,658.52
  4. Step 4: Simplify right side
    74,150.48x = 4,976,820,674.37
  5. Step 5: Solve for x
    x = 4,976,820,674.37/74,150.48
  6. Step 6: Final answer
    x = 67,117.85

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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.