Home / 65,924.66-90,981.96-37,639.46

Finding the Fourth Proportional to 65,924.66, 90,981.96 and 37,639.46

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Solution

The fourth proportional to 65,924.66, 90,981.96 and 37,639.46 is: 51,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,924.66 : 90,981.96 = 37,639.46 : x
  2. Step 2: Convert to fraction form
    65,924.66/90,981.96 = 37,639.46/x
  3. Step 3: Cross multiply
    65,924.66x = 90,981.96 × 37,639.46
  4. Step 4: Simplify right side
    65,924.66x = 3,424,511,844.14
  5. Step 5: Solve for x
    x = 3,424,511,844.14/65,924.66
  6. Step 6: Final answer
    x = 51,945.84

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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.