Home / 91,551.39-137,401.58-47,190.84

Finding the Fourth Proportional to 91,551.39, 137,401.58 and 47,190.84

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Solution

The fourth proportional to 91,551.39, 137,401.58 and 47,190.84 is: 70,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,551.39 : 137,401.58 = 47,190.84 : x
  2. Step 2: Convert to fraction form
    91,551.39/137,401.58 = 47,190.84/x
  3. Step 3: Cross multiply
    91,551.39x = 137,401.58 × 47,190.84
  4. Step 4: Simplify right side
    91,551.39x = 6,484,095,977.53
  5. Step 5: Solve for x
    x = 6,484,095,977.53/91,551.39
  6. Step 6: Final answer
    x = 70,824.66

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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.