Home / 79,533.45-109,757.30-43,726.77

Finding the Fourth Proportional to 79,533.45, 109,757.30 and 43,726.77

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Solution

The fourth proportional to 79,533.45, 109,757.30 and 43,726.77 is: 60,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,533.45 : 109,757.30 = 43,726.77 : x
  2. Step 2: Convert to fraction form
    79,533.45/109,757.30 = 43,726.77/x
  3. Step 3: Cross multiply
    79,533.45x = 109,757.30 × 43,726.77
  4. Step 4: Simplify right side
    79,533.45x = 4,799,331,994.29
  5. Step 5: Solve for x
    x = 4,799,331,994.29/79,533.45
  6. Step 6: Final answer
    x = 60,343.57

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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.