Home / 64,759.14-89,369.25-36,465.78

Finding the Fourth Proportional to 64,759.14, 89,369.25 and 36,465.78

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Solution

The fourth proportional to 64,759.14, 89,369.25 and 36,465.78 is: 50,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,759.14 : 89,369.25 = 36,465.78 : x
  2. Step 2: Convert to fraction form
    64,759.14/89,369.25 = 36,465.78/x
  3. Step 3: Cross multiply
    64,759.14x = 89,369.25 × 36,465.78
  4. Step 4: Simplify right side
    64,759.14x = 3,258,919,409.27
  5. Step 5: Solve for x
    x = 3,258,919,409.27/64,759.14
  6. Step 6: Final answer
    x = 50,323.70

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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.