Home / 83,931.78-115,825.88-46,205.76

Finding the Fourth Proportional to 83,931.78, 115,825.88 and 46,205.76

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Solution

The fourth proportional to 83,931.78, 115,825.88 and 46,205.76 is: 63,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931.78 : 115,825.88 = 46,205.76 : x
  2. Step 2: Convert to fraction form
    83,931.78/115,825.88 = 46,205.76/x
  3. Step 3: Cross multiply
    83,931.78x = 115,825.88 × 46,205.76
  4. Step 4: Simplify right side
    83,931.78x = 5,351,822,813.07
  5. Step 5: Solve for x
    x = 5,351,822,813.07/83,931.78
  6. Step 6: Final answer
    x = 63,763.96

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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.