Home / 86,177.70-118,923.66-47,937.06

Finding the Fourth Proportional to 86,177.70, 118,923.66 and 47,937.06

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Solution

The fourth proportional to 86,177.70, 118,923.66 and 47,937.06 is: 66,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,177.70 : 118,923.66 = 47,937.06 : x
  2. Step 2: Convert to fraction form
    86,177.70/118,923.66 = 47,937.06/x
  3. Step 3: Cross multiply
    86,177.70x = 118,923.66 × 47,937.06
  4. Step 4: Simplify right side
    86,177.70x = 5,700,850,624.84
  5. Step 5: Solve for x
    x = 5,700,850,624.84/86,177.70
  6. Step 6: Final answer
    x = 66,152.27

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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.