Home / 83,972.95-115,875.04-49,975.95

Finding the Fourth Proportional to 83,972.95, 115,875.04 and 49,975.95

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Solution

The fourth proportional to 83,972.95, 115,875.04 and 49,975.95 is: 68,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,972.95 : 115,875.04 = 49,975.95 : x
  2. Step 2: Convert to fraction form
    83,972.95/115,875.04 = 49,975.95/x
  3. Step 3: Cross multiply
    83,972.95x = 115,875.04 × 49,975.95
  4. Step 4: Simplify right side
    83,972.95x = 5,790,964,956.79
  5. Step 5: Solve for x
    x = 5,790,964,956.79/83,972.95
  6. Step 6: Final answer
    x = 68,962.27

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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.