Home / 84,076.13-115,959.41-53,864.24

Finding the Fourth Proportional to 84,076.13, 115,959.41 and 53,864.24

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Solution

The fourth proportional to 84,076.13, 115,959.41 and 53,864.24 is: 74,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,076.13 : 115,959.41 = 53,864.24 : x
  2. Step 2: Convert to fraction form
    84,076.13/115,959.41 = 53,864.24/x
  3. Step 3: Cross multiply
    84,076.13x = 115,959.41 × 53,864.24
  4. Step 4: Simplify right side
    84,076.13x = 6,246,065,490.50
  5. Step 5: Solve for x
    x = 6,246,065,490.50/84,076.13
  6. Step 6: Final answer
    x = 74,290.60

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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.