Home / 77,226.79-115,370.56-49,987.24

Finding the Fourth Proportional to 77,226.79, 115,370.56 and 49,987.24

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Solution

The fourth proportional to 77,226.79, 115,370.56 and 49,987.24 is: 74,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,226.79 : 115,370.56 = 49,987.24 : x
  2. Step 2: Convert to fraction form
    77,226.79/115,370.56 = 49,987.24/x
  3. Step 3: Cross multiply
    77,226.79x = 115,370.56 × 49,987.24
  4. Step 4: Simplify right side
    77,226.79x = 5,767,055,592.23
  5. Step 5: Solve for x
    x = 5,767,055,592.23/77,226.79
  6. Step 6: Final answer
    x = 74,676.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.