Home / 113,788.16-157,027.64-63,487.16

Finding the Fourth Proportional to 113,788.16, 157,027.64 and 63,487.16

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Solution

The fourth proportional to 113,788.16, 157,027.64 and 63,487.16 is: 87,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.16 : 157,027.64 = 63,487.16 : x
  2. Step 2: Convert to fraction form
    113,788.16/157,027.64 = 63,487.16/x
  3. Step 3: Cross multiply
    113,788.16x = 157,027.64 × 63,487.16
  4. Step 4: Simplify right side
    113,788.16x = 9,969,238,905.10
  5. Step 5: Solve for x
    x = 9,969,238,905.10/113,788.16
  6. Step 6: Final answer
    x = 87,612.27

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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.