Home / 77,825.04-107,398.74-45,553.80

Finding the Fourth Proportional to 77,825.04, 107,398.74 and 45,553.80

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Solution

The fourth proportional to 77,825.04, 107,398.74 and 45,553.80 is: 62,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,825.04 : 107,398.74 = 45,553.80 : x
  2. Step 2: Convert to fraction form
    77,825.04/107,398.74 = 45,553.80/x
  3. Step 3: Cross multiply
    77,825.04x = 107,398.74 × 45,553.80
  4. Step 4: Simplify right side
    77,825.04x = 4,892,420,722.21
  5. Step 5: Solve for x
    x = 4,892,420,722.21/77,825.04
  6. Step 6: Final answer
    x = 62,864.35

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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.