Home / 49,908.15-68,880.20-28,686.96

Finding the Fourth Proportional to 49,908.15, 68,880.20 and 28,686.96

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Solution

The fourth proportional to 49,908.15, 68,880.20 and 28,686.96 is: 39,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,908.15 : 68,880.20 = 28,686.96 : x
  2. Step 2: Convert to fraction form
    49,908.15/68,880.20 = 28,686.96/x
  3. Step 3: Cross multiply
    49,908.15x = 68,880.20 × 28,686.96
  4. Step 4: Simplify right side
    49,908.15x = 1,975,963,398.76
  5. Step 5: Solve for x
    x = 1,975,963,398.76/49,908.15
  6. Step 6: Final answer
    x = 39,592.00

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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.