Home / 113,788.96-157,023.08-63,478.24

Finding the Fourth Proportional to 113,788.96, 157,023.08 and 63,478.24

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Solution

The fourth proportional to 113,788.96, 157,023.08 and 63,478.24 is: 87,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.96 : 157,023.08 = 63,478.24 : x
  2. Step 2: Convert to fraction form
    113,788.96/157,023.08 = 63,478.24/x
  3. Step 3: Cross multiply
    113,788.96x = 157,023.08 × 63,478.24
  4. Step 4: Simplify right side
    113,788.96x = 9,967,548,757.78
  5. Step 5: Solve for x
    x = 9,967,548,757.78/113,788.96
  6. Step 6: Final answer
    x = 87,596.80

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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.