Home / 75,262.34-103,816.40-49,768.58

Finding the Fourth Proportional to 75,262.34, 103,816.40 and 49,768.58

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Solution

The fourth proportional to 75,262.34, 103,816.40 and 49,768.58 is: 68,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,262.34 : 103,816.40 = 49,768.58 : x
  2. Step 2: Convert to fraction form
    75,262.34/103,816.40 = 49,768.58/x
  3. Step 3: Cross multiply
    75,262.34x = 103,816.40 × 49,768.58
  4. Step 4: Simplify right side
    75,262.34x = 5,166,794,808.71
  5. Step 5: Solve for x
    x = 5,166,794,808.71/75,262.34
  6. Step 6: Final answer
    x = 68,650.47

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1.5x scale

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.