Home / 100,976.90-151,465.55-37,794.47

Finding the Fourth Proportional to 100,976.90, 151,465.55 and 37,794.47

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Solution

The fourth proportional to 100,976.90, 151,465.55 and 37,794.47 is: 56,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,976.90 : 151,465.55 = 37,794.47 : x
  2. Step 2: Convert to fraction form
    100,976.90/151,465.55 = 37,794.47/x
  3. Step 3: Cross multiply
    100,976.90x = 151,465.55 × 37,794.47
  4. Step 4: Simplify right side
    100,976.90x = 5,724,559,239.21
  5. Step 5: Solve for x
    x = 5,724,559,239.21/100,976.90
  6. Step 6: Final answer
    x = 56,691.77

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1.5x scale

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.