Home / 76,195.26-105,149.34-42,661.26

Finding the Fourth Proportional to 76,195.26, 105,149.34 and 42,661.26

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Solution

The fourth proportional to 76,195.26, 105,149.34 and 42,661.26 is: 58,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,195.26 : 105,149.34 = 42,661.26 : x
  2. Step 2: Convert to fraction form
    76,195.26/105,149.34 = 42,661.26/x
  3. Step 3: Cross multiply
    76,195.26x = 105,149.34 × 42,661.26
  4. Step 4: Simplify right side
    76,195.26x = 4,485,803,332.57
  5. Step 5: Solve for x
    x = 4,485,803,332.57/76,195.26
  6. Step 6: Final answer
    x = 58,872.47

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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.