Home / 66,639.39-91,934.85-46,507.95

Finding the Fourth Proportional to 66,639.39, 91,934.85 and 46,507.95

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Solution

The fourth proportional to 66,639.39, 91,934.85 and 46,507.95 is: 64,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,639.39 : 91,934.85 = 46,507.95 : x
  2. Step 2: Convert to fraction form
    66,639.39/91,934.85 = 46,507.95/x
  3. Step 3: Cross multiply
    66,639.39x = 91,934.85 × 46,507.95
  4. Step 4: Simplify right side
    66,639.39x = 4,275,701,407.06
  5. Step 5: Solve for x
    x = 4,275,701,407.06/66,639.39
  6. Step 6: Final answer
    x = 64,161.77

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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.