Home / 83,133.51-114,683.14-49,125.55

Finding the Fourth Proportional to 83,133.51, 114,683.14 and 49,125.55

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Solution

The fourth proportional to 83,133.51, 114,683.14 and 49,125.55 is: 67,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.51 : 114,683.14 = 49,125.55 : x
  2. Step 2: Convert to fraction form
    83,133.51/114,683.14 = 49,125.55/x
  3. Step 3: Cross multiply
    83,133.51x = 114,683.14 × 49,125.55
  4. Step 4: Simplify right side
    83,133.51x = 5,633,872,451.04
  5. Step 5: Solve for x
    x = 5,633,872,451.04/83,133.51
  6. Step 6: Final answer
    x = 67,768.97

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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.