Home / 113,849.73-157,106.93-63,539.01

Finding the Fourth Proportional to 113,849.73, 157,106.93 and 63,539.01

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Solution

The fourth proportional to 113,849.73, 157,106.93 and 63,539.01 is: 87,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,849.73 : 157,106.93 = 63,539.01 : x
  2. Step 2: Convert to fraction form
    113,849.73/157,106.93 = 63,539.01/x
  3. Step 3: Cross multiply
    113,849.73x = 157,106.93 × 63,539.01
  4. Step 4: Simplify right side
    113,849.73x = 9,982,418,478.64
  5. Step 5: Solve for x
    x = 9,982,418,478.64/113,849.73
  6. Step 6: Final answer
    x = 87,680.65

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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.