Home / 76,177.84-105,161.32-50,726.56

Finding the Fourth Proportional to 76,177.84, 105,161.32 and 50,726.56

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Solution

The fourth proportional to 76,177.84, 105,161.32 and 50,726.56 is: 70,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,177.84 : 105,161.32 = 50,726.56 : x
  2. Step 2: Convert to fraction form
    76,177.84/105,161.32 = 50,726.56/x
  3. Step 3: Cross multiply
    76,177.84x = 105,161.32 × 50,726.56
  4. Step 4: Simplify right side
    76,177.84x = 5,334,472,008.66
  5. Step 5: Solve for x
    x = 5,334,472,008.66/76,177.84
  6. Step 6: Final answer
    x = 70,026.56

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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.