Home / 100,909.09-151,070.42-58,660.35

Finding the Fourth Proportional to 100,909.09, 151,070.42 and 58,660.35

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Solution

The fourth proportional to 100,909.09, 151,070.42 and 58,660.35 is: 87,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,909.09 : 151,070.42 = 58,660.35 : x
  2. Step 2: Convert to fraction form
    100,909.09/151,070.42 = 58,660.35/x
  3. Step 3: Cross multiply
    100,909.09x = 151,070.42 × 58,660.35
  4. Step 4: Simplify right side
    100,909.09x = 8,861,843,811.79
  5. Step 5: Solve for x
    x = 8,861,843,811.79/100,909.09
  6. Step 6: Final answer
    x = 87,820.07

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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.