Home / 83,931.28-115,825.08-46,205.56

Finding the Fourth Proportional to 83,931.28, 115,825.08 and 46,205.56

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Solution

The fourth proportional to 83,931.28, 115,825.08 and 46,205.56 is: 63,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931.28 : 115,825.08 = 46,205.56 : x
  2. Step 2: Convert to fraction form
    83,931.28/115,825.08 = 46,205.56/x
  3. Step 3: Cross multiply
    83,931.28x = 115,825.08 × 46,205.56
  4. Step 4: Simplify right side
    83,931.28x = 5,351,762,683.44
  5. Step 5: Solve for x
    x = 5,351,762,683.44/83,931.28
  6. Step 6: Final answer
    x = 63,763.63

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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.