Home / 84,257.76-116,298.12-52,408.56

Finding the Fourth Proportional to 84,257.76, 116,298.12 and 52,408.56

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Solution

The fourth proportional to 84,257.76, 116,298.12 and 52,408.56 is: 72,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.76 : 116,298.12 = 52,408.56 : x
  2. Step 2: Convert to fraction form
    84,257.76/116,298.12 = 52,408.56/x
  3. Step 3: Cross multiply
    84,257.76x = 116,298.12 × 52,408.56
  4. Step 4: Simplify right side
    84,257.76x = 6,095,016,999.91
  5. Step 5: Solve for x
    x = 6,095,016,999.91/84,257.76
  6. Step 6: Final answer
    x = 72,337.75

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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.