Home / 105,150.80-145,103.04-59,824.56

Finding the Fourth Proportional to 105,150.80, 145,103.04 and 59,824.56

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Solution

The fourth proportional to 105,150.80, 145,103.04 and 59,824.56 is: 82,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,150.80 : 145,103.04 = 59,824.56 : x
  2. Step 2: Convert to fraction form
    105,150.80/145,103.04 = 59,824.56/x
  3. Step 3: Cross multiply
    105,150.80x = 145,103.04 × 59,824.56
  4. Step 4: Simplify right side
    105,150.80x = 8,680,725,522.66
  5. Step 5: Solve for x
    x = 8,680,725,522.66/105,150.80
  6. Step 6: Final answer
    x = 82,555.01

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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.