Home / 129,124.74-193,698.27-35,630.49

Finding the Fourth Proportional to 129,124.74, 193,698.27 and 35,630.49

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Solution

The fourth proportional to 129,124.74, 193,698.27 and 35,630.49 is: 53,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,124.74 : 193,698.27 = 35,630.49 : x
  2. Step 2: Convert to fraction form
    129,124.74/193,698.27 = 35,630.49/x
  3. Step 3: Cross multiply
    129,124.74x = 193,698.27 × 35,630.49
  4. Step 4: Simplify right side
    129,124.74x = 6,901,564,272.25
  5. Step 5: Solve for x
    x = 6,901,564,272.25/129,124.74
  6. Step 6: Final answer
    x = 53,448.81

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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.