Home / 84,705.24-116,844.35-52,818.78

Finding the Fourth Proportional to 84,705.24, 116,844.35 and 52,818.78

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Solution

The fourth proportional to 84,705.24, 116,844.35 and 52,818.78 is: 72,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.24 : 116,844.35 = 52,818.78 : x
  2. Step 2: Convert to fraction form
    84,705.24/116,844.35 = 52,818.78/x
  3. Step 3: Cross multiply
    84,705.24x = 116,844.35 × 52,818.78
  4. Step 4: Simplify right side
    84,705.24x = 6,171,575,752.80
  5. Step 5: Solve for x
    x = 6,171,575,752.80/84,705.24
  6. Step 6: Final answer
    x = 72,859.43

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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.