Home / 91,550.39-137,400.08-47,189.84

Finding the Fourth Proportional to 91,550.39, 137,400.08 and 47,189.84

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Solution

The fourth proportional to 91,550.39, 137,400.08 and 47,189.84 is: 70,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,550.39 : 137,400.08 = 47,189.84 : x
  2. Step 2: Convert to fraction form
    91,550.39/137,400.08 = 47,189.84/x
  3. Step 3: Cross multiply
    91,550.39x = 137,400.08 × 47,189.84
  4. Step 4: Simplify right side
    91,550.39x = 6,483,886,868.24
  5. Step 5: Solve for x
    x = 6,483,886,868.24/91,550.39
  6. Step 6: Final answer
    x = 70,823.15

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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.