Home / 117,065.56-161,550.47-63,350.57

Finding the Fourth Proportional to 117,065.56, 161,550.47 and 63,350.57

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Solution

The fourth proportional to 117,065.56, 161,550.47 and 63,350.57 is: 87,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.56 : 161,550.47 = 63,350.57 : x
  2. Step 2: Convert to fraction form
    117,065.56/161,550.47 = 63,350.57/x
  3. Step 3: Cross multiply
    117,065.56x = 161,550.47 × 63,350.57
  4. Step 4: Simplify right side
    117,065.56x = 10,234,314,920.52
  5. Step 5: Solve for x
    x = 10,234,314,920.52/117,065.56
  6. Step 6: Final answer
    x = 87,423.79

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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.