Home / 84,122.64-116,089.02-48,314.97

Finding the Fourth Proportional to 84,122.64, 116,089.02 and 48,314.97

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Solution

The fourth proportional to 84,122.64, 116,089.02 and 48,314.97 is: 66,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,122.64 : 116,089.02 = 48,314.97 : x
  2. Step 2: Convert to fraction form
    84,122.64/116,089.02 = 48,314.97/x
  3. Step 3: Cross multiply
    84,122.64x = 116,089.02 × 48,314.97
  4. Step 4: Simplify right side
    84,122.64x = 5,608,837,518.63
  5. Step 5: Solve for x
    x = 5,608,837,518.63/84,122.64
  6. Step 6: Final answer
    x = 66,674.53

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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.