Home / 103,092.81-154,376.70-67,925.85

Finding the Fourth Proportional to 103,092.81, 154,376.70 and 67,925.85

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Solution

The fourth proportional to 103,092.81, 154,376.70 and 67,925.85 is: 101,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.81 : 154,376.70 = 67,925.85 : x
  2. Step 2: Convert to fraction form
    103,092.81/154,376.70 = 67,925.85/x
  3. Step 3: Cross multiply
    103,092.81x = 154,376.70 × 67,925.85
  4. Step 4: Simplify right side
    103,092.81x = 10,486,168,567.70
  5. Step 5: Solve for x
    x = 10,486,168,567.70/103,092.81
  6. Step 6: Final answer
    x = 101,715.81

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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.