Home / 77,843.62-107,426.75-45,581.46

Finding the Fourth Proportional to 77,843.62, 107,426.75 and 45,581.46

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Solution

The fourth proportional to 77,843.62, 107,426.75 and 45,581.46 is: 62,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,843.62 : 107,426.75 = 45,581.46 : x
  2. Step 2: Convert to fraction form
    77,843.62/107,426.75 = 45,581.46/x
  3. Step 3: Cross multiply
    77,843.62x = 107,426.75 × 45,581.46
  4. Step 4: Simplify right side
    77,843.62x = 4,896,668,108.06
  5. Step 5: Solve for x
    x = 4,896,668,108.06/77,843.62
  6. Step 6: Final answer
    x = 62,903.91

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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.