Home / 86,159.44-118,900.02-48,433.69

Finding the Fourth Proportional to 86,159.44, 118,900.02 and 48,433.69

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Solution

The fourth proportional to 86,159.44, 118,900.02 and 48,433.69 is: 66,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,159.44 : 118,900.02 = 48,433.69 : x
  2. Step 2: Convert to fraction form
    86,159.44/118,900.02 = 48,433.69/x
  3. Step 3: Cross multiply
    86,159.44x = 118,900.02 × 48,433.69
  4. Step 4: Simplify right side
    86,159.44x = 5,758,766,709.67
  5. Step 5: Solve for x
    x = 5,758,766,709.67/86,159.44
  6. Step 6: Final answer
    x = 66,838.49

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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.