Home / 86,178.01-118,886.78-50,351.91

Finding the Fourth Proportional to 86,178.01, 118,886.78 and 50,351.91

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Solution

The fourth proportional to 86,178.01, 118,886.78 and 50,351.91 is: 69,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,178.01 : 118,886.78 = 50,351.91 : x
  2. Step 2: Convert to fraction form
    86,178.01/118,886.78 = 50,351.91/x
  3. Step 3: Cross multiply
    86,178.01x = 118,886.78 × 50,351.91
  4. Step 4: Simplify right side
    86,178.01x = 5,986,176,572.63
  5. Step 5: Solve for x
    x = 5,986,176,572.63/86,178.01
  6. Step 6: Final answer
    x = 69,462.93

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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.