Home / 86,008.56-118,685.26-48,275.52

Finding the Fourth Proportional to 86,008.56, 118,685.26 and 48,275.52

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Solution

The fourth proportional to 86,008.56, 118,685.26 and 48,275.52 is: 66,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,008.56 : 118,685.26 = 48,275.52 : x
  2. Step 2: Convert to fraction form
    86,008.56/118,685.26 = 48,275.52/x
  3. Step 3: Cross multiply
    86,008.56x = 118,685.26 × 48,275.52
  4. Step 4: Simplify right side
    86,008.56x = 5,729,592,642.84
  5. Step 5: Solve for x
    x = 5,729,592,642.84/86,008.56
  6. Step 6: Final answer
    x = 66,616.54

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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.