Home / 106,838.75-147,427.57-59,091.07

Finding the Fourth Proportional to 106,838.75, 147,427.57 and 59,091.07

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Solution

The fourth proportional to 106,838.75, 147,427.57 and 59,091.07 is: 81,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,838.75 : 147,427.57 = 59,091.07 : x
  2. Step 2: Convert to fraction form
    106,838.75/147,427.57 = 59,091.07/x
  3. Step 3: Cross multiply
    106,838.75x = 147,427.57 × 59,091.07
  4. Step 4: Simplify right side
    106,838.75x = 8,711,652,858.80
  5. Step 5: Solve for x
    x = 8,711,652,858.80/106,838.75
  6. Step 6: Final answer
    x = 81,540.20

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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.