Home / 86,022.28-118,710.66-48,296.68

Finding the Fourth Proportional to 86,022.28, 118,710.66 and 48,296.68

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Solution

The fourth proportional to 86,022.28, 118,710.66 and 48,296.68 is: 66,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.28 : 118,710.66 = 48,296.68 : x
  2. Step 2: Convert to fraction form
    86,022.28/118,710.66 = 48,296.68/x
  3. Step 3: Cross multiply
    86,022.28x = 118,710.66 × 48,296.68
  4. Step 4: Simplify right side
    86,022.28x = 5,733,330,758.61
  5. Step 5: Solve for x
    x = 5,733,330,758.61/86,022.28
  6. Step 6: Final answer
    x = 66,649.37

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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.