Home / 79,263.36-109,384.32-45,276.33

Finding the Fourth Proportional to 79,263.36, 109,384.32 and 45,276.33

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Solution

The fourth proportional to 79,263.36, 109,384.32 and 45,276.33 is: 62,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.36 : 109,384.32 = 45,276.33 : x
  2. Step 2: Convert to fraction form
    79,263.36/109,384.32 = 45,276.33/x
  3. Step 3: Cross multiply
    79,263.36x = 109,384.32 × 45,276.33
  4. Step 4: Simplify right side
    79,263.36x = 4,952,520,569.15
  5. Step 5: Solve for x
    x = 4,952,520,569.15/79,263.36
  6. Step 6: Final answer
    x = 62,481.84

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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.