Home / 113,783.74-157,012.23-63,481.66

Finding the Fourth Proportional to 113,783.74, 157,012.23 and 63,481.66

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Solution

The fourth proportional to 113,783.74, 157,012.23 and 63,481.66 is: 87,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783.74 : 157,012.23 = 63,481.66 : x
  2. Step 2: Convert to fraction form
    113,783.74/157,012.23 = 63,481.66/x
  3. Step 3: Cross multiply
    113,783.74x = 157,012.23 × 63,481.66
  4. Step 4: Simplify right side
    113,783.74x = 9,967,397,000.70
  5. Step 5: Solve for x
    x = 9,967,397,000.70/113,783.74
  6. Step 6: Final answer
    x = 87,599.48

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1.5x scale

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.