Home / 66,137.99-91,269.45-35,923.70

Finding the Fourth Proportional to 66,137.99, 91,269.45 and 35,923.70

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Solution

The fourth proportional to 66,137.99, 91,269.45 and 35,923.70 is: 49,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,137.99 : 91,269.45 = 35,923.70 : x
  2. Step 2: Convert to fraction form
    66,137.99/91,269.45 = 35,923.70/x
  3. Step 3: Cross multiply
    66,137.99x = 91,269.45 × 35,923.70
  4. Step 4: Simplify right side
    66,137.99x = 3,278,736,569.14
  5. Step 5: Solve for x
    x = 3,278,736,569.14/66,137.99
  6. Step 6: Final answer
    x = 49,574.18

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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.