Home / 84,840.60-127,067.08-40,498.56

Finding the Fourth Proportional to 84,840.60, 127,067.08 and 40,498.56

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Solution

The fourth proportional to 84,840.60, 127,067.08 and 40,498.56 is: 60,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.60 : 127,067.08 = 40,498.56 : x
  2. Step 2: Convert to fraction form
    84,840.60/127,067.08 = 40,498.56/x
  3. Step 3: Cross multiply
    84,840.60x = 127,067.08 × 40,498.56
  4. Step 4: Simplify right side
    84,840.60x = 5,146,033,763.40
  5. Step 5: Solve for x
    x = 5,146,033,763.40/84,840.60
  6. Step 6: Final answer
    x = 60,655.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.