Home / 78,811.44-118,061.64-59,112.24

Finding the Fourth Proportional to 78,811.44, 118,061.64 and 59,112.24

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Solution

The fourth proportional to 78,811.44, 118,061.64 and 59,112.24 is: 88,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,811.44 : 118,061.64 = 59,112.24 : x
  2. Step 2: Convert to fraction form
    78,811.44/118,061.64 = 59,112.24/x
  3. Step 3: Cross multiply
    78,811.44x = 118,061.64 × 59,112.24
  4. Step 4: Simplify right side
    78,811.44x = 6,978,887,998.47
  5. Step 5: Solve for x
    x = 6,978,887,998.47/78,811.44
  6. Step 6: Final answer
    x = 88,551.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.