Home / 103,571.06-155,248.86-70,293.83

Finding the Fourth Proportional to 103,571.06, 155,248.86 and 70,293.83

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Solution

The fourth proportional to 103,571.06, 155,248.86 and 70,293.83 is: 105,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,571.06 : 155,248.86 = 70,293.83 : x
  2. Step 2: Convert to fraction form
    103,571.06/155,248.86 = 70,293.83/x
  3. Step 3: Cross multiply
    103,571.06x = 155,248.86 × 70,293.83
  4. Step 4: Simplify right side
    103,571.06x = 10,913,036,972.53
  5. Step 5: Solve for x
    x = 10,913,036,972.53/103,571.06
  6. Step 6: Final answer
    x = 105,367.63

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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.