Home / 113,861.19-157,091.90-63,550.47

Finding the Fourth Proportional to 113,861.19, 157,091.90 and 63,550.47

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Solution

The fourth proportional to 113,861.19, 157,091.90 and 63,550.47 is: 87,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,861.19 : 157,091.90 = 63,550.47 : x
  2. Step 2: Convert to fraction form
    113,861.19/157,091.90 = 63,550.47/x
  3. Step 3: Cross multiply
    113,861.19x = 157,091.90 × 63,550.47
  4. Step 4: Simplify right side
    113,861.19x = 9,983,263,760.44
  5. Step 5: Solve for x
    x = 9,983,263,760.44/113,861.19
  6. Step 6: Final answer
    x = 87,679.25

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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.