Home / 113,842.42-157,088.05-63,543.54

Finding the Fourth Proportional to 113,842.42, 157,088.05 and 63,543.54

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Solution

The fourth proportional to 113,842.42, 157,088.05 and 63,543.54 is: 87,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,842.42 : 157,088.05 = 63,543.54 : x
  2. Step 2: Convert to fraction form
    113,842.42/157,088.05 = 63,543.54/x
  3. Step 3: Cross multiply
    113,842.42x = 157,088.05 × 63,543.54
  4. Step 4: Simplify right side
    113,842.42x = 9,981,930,788.70
  5. Step 5: Solve for x
    x = 9,981,930,788.70/113,842.42
  6. Step 6: Final answer
    x = 87,682.00

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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.