Home / 91,469.06-137,228.22-47,071.62

Finding the Fourth Proportional to 91,469.06, 137,228.22 and 47,071.62

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Solution

The fourth proportional to 91,469.06, 137,228.22 and 47,071.62 is: 70,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,469.06 : 137,228.22 = 47,071.62 : x
  2. Step 2: Convert to fraction form
    91,469.06/137,228.22 = 47,071.62/x
  3. Step 3: Cross multiply
    91,469.06x = 137,228.22 × 47,071.62
  4. Step 4: Simplify right side
    91,469.06x = 6,459,554,625.12
  5. Step 5: Solve for x
    x = 6,459,554,625.12/91,469.06
  6. Step 6: Final answer
    x = 70,620.11

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1.5x scale

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.