Home / 113,848.64-157,110.54-66,113.72

Finding the Fourth Proportional to 113,848.64, 157,110.54 and 66,113.72

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Solution

The fourth proportional to 113,848.64, 157,110.54 and 66,113.72 is: 91,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,848.64 : 157,110.54 = 66,113.72 : x
  2. Step 2: Convert to fraction form
    113,848.64/157,110.54 = 66,113.72/x
  3. Step 3: Cross multiply
    113,848.64x = 157,110.54 × 66,113.72
  4. Step 4: Simplify right side
    113,848.64x = 10,387,162,250.61
  5. Step 5: Solve for x
    x = 10,387,162,250.61/113,848.64
  6. Step 6: Final answer
    x = 91,236.59

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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.