Home / 86,191.02-118,954.44-48,465

Finding the Fourth Proportional to 86,191.02, 118,954.44 and 48,465

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Solution

The fourth proportional to 86,191.02, 118,954.44 and 48,465 is: 66,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,191.02 : 118,954.44 = 48,465 : x
  2. Step 2: Convert to fraction form
    86,191.02/118,954.44 = 48,465/x
  3. Step 3: Cross multiply
    86,191.02x = 118,954.44 × 48,465
  4. Step 4: Simplify right side
    86,191.02x = 5,765,126,934.60
  5. Step 5: Solve for x
    x = 5,765,126,934.60/86,191.02
  6. Step 6: Final answer
    x = 66,887.79

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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.