Home / 103,543.39-155,315.24-31,496.93

Finding the Fourth Proportional to 103,543.39, 155,315.24 and 31,496.93

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Solution

The fourth proportional to 103,543.39, 155,315.24 and 31,496.93 is: 47,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,543.39 : 155,315.24 = 31,496.93 : x
  2. Step 2: Convert to fraction form
    103,543.39/155,315.24 = 31,496.93/x
  3. Step 3: Cross multiply
    103,543.39x = 155,315.24 × 31,496.93
  4. Step 4: Simplify right side
    103,543.39x = 4,891,953,084.73
  5. Step 5: Solve for x
    x = 4,891,953,084.73/103,543.39
  6. Step 6: Final answer
    x = 47,245.44

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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.