Home / 107,739.86-148,679.57-59,340.85

Finding the Fourth Proportional to 107,739.86, 148,679.57 and 59,340.85

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Solution

The fourth proportional to 107,739.86, 148,679.57 and 59,340.85 is: 81,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.86 : 148,679.57 = 59,340.85 : x
  2. Step 2: Convert to fraction form
    107,739.86/148,679.57 = 59,340.85/x
  3. Step 3: Cross multiply
    107,739.86x = 148,679.57 × 59,340.85
  4. Step 4: Simplify right side
    107,739.86x = 8,822,771,838.09
  5. Step 5: Solve for x
    x = 8,822,771,838.09/107,739.86
  6. Step 6: Final answer
    x = 81,889.58

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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.