Home / 66,156.13-91,288.87-37,470.06

Finding the Fourth Proportional to 66,156.13, 91,288.87 and 37,470.06

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Solution

The fourth proportional to 66,156.13, 91,288.87 and 37,470.06 is: 51,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.13 : 91,288.87 = 37,470.06 : x
  2. Step 2: Convert to fraction form
    66,156.13/91,288.87 = 37,470.06/x
  3. Step 3: Cross multiply
    66,156.13x = 91,288.87 × 37,470.06
  4. Step 4: Simplify right side
    66,156.13x = 3,420,599,436.23
  5. Step 5: Solve for x
    x = 3,420,599,436.23/66,156.13
  6. Step 6: Final answer
    x = 51,704.95

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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.