Home / 91,043.67-125,640.33-50,756.62

Finding the Fourth Proportional to 91,043.67, 125,640.33 and 50,756.62

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Solution

The fourth proportional to 91,043.67, 125,640.33 and 50,756.62 is: 70,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,043.67 : 125,640.33 = 50,756.62 : x
  2. Step 2: Convert to fraction form
    91,043.67/125,640.33 = 50,756.62/x
  3. Step 3: Cross multiply
    91,043.67x = 125,640.33 × 50,756.62
  4. Step 4: Simplify right side
    91,043.67x = 6,377,078,486.48
  5. Step 5: Solve for x
    x = 6,377,078,486.48/91,043.67
  6. Step 6: Final answer
    x = 70,044.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.