Home / 103,526.13-155,325.65-50,972.52

Finding the Fourth Proportional to 103,526.13, 155,325.65 and 50,972.52

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Solution

The fourth proportional to 103,526.13, 155,325.65 and 50,972.52 is: 76,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526.13 : 155,325.65 = 50,972.52 : x
  2. Step 2: Convert to fraction form
    103,526.13/155,325.65 = 50,972.52/x
  3. Step 3: Cross multiply
    103,526.13x = 155,325.65 × 50,972.52
  4. Step 4: Simplify right side
    103,526.13x = 7,917,339,801.14
  5. Step 5: Solve for x
    x = 7,917,339,801.14/103,526.13
  6. Step 6: Final answer
    x = 76,476.73

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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.