Home / 107,085.75-147,784.23-59,338.05

Finding the Fourth Proportional to 107,085.75, 147,784.23 and 59,338.05

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Solution

The fourth proportional to 107,085.75, 147,784.23 and 59,338.05 is: 81,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,085.75 : 147,784.23 = 59,338.05 : x
  2. Step 2: Convert to fraction form
    107,085.75/147,784.23 = 59,338.05/x
  3. Step 3: Cross multiply
    107,085.75x = 147,784.23 × 59,338.05
  4. Step 4: Simplify right side
    107,085.75x = 8,769,228,028.95
  5. Step 5: Solve for x
    x = 8,769,228,028.95/107,085.75
  6. Step 6: Final answer
    x = 81,889.78

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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.