Home / 113,873.15-157,146.20-62,885.79

Finding the Fourth Proportional to 113,873.15, 157,146.20 and 62,885.79

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Solution

The fourth proportional to 113,873.15, 157,146.20 and 62,885.79 is: 86,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,873.15 : 157,146.20 = 62,885.79 : x
  2. Step 2: Convert to fraction form
    113,873.15/157,146.20 = 62,885.79/x
  3. Step 3: Cross multiply
    113,873.15x = 157,146.20 × 62,885.79
  4. Step 4: Simplify right side
    113,873.15x = 9,882,262,618.07
  5. Step 5: Solve for x
    x = 9,882,262,618.07/113,873.15
  6. Step 6: Final answer
    x = 86,783.08

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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.