Home / 103,084.07-154,642.91-36,509.76

Finding the Fourth Proportional to 103,084.07, 154,642.91 and 36,509.76

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Solution

The fourth proportional to 103,084.07, 154,642.91 and 36,509.76 is: 54,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,084.07 : 154,642.91 = 36,509.76 : x
  2. Step 2: Convert to fraction form
    103,084.07/154,642.91 = 36,509.76/x
  3. Step 3: Cross multiply
    103,084.07x = 154,642.91 × 36,509.76
  4. Step 4: Simplify right side
    103,084.07x = 5,645,975,347.25
  5. Step 5: Solve for x
    x = 5,645,975,347.25/103,084.07
  6. Step 6: Final answer
    x = 54,770.59

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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.