Home / 84,045.20-116,002.14-52,238.12

Finding the Fourth Proportional to 84,045.20, 116,002.14 and 52,238.12

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Solution

The fourth proportional to 84,045.20, 116,002.14 and 52,238.12 is: 72,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.20 : 116,002.14 = 52,238.12 : x
  2. Step 2: Convert to fraction form
    84,045.20/116,002.14 = 52,238.12/x
  3. Step 3: Cross multiply
    84,045.20x = 116,002.14 × 52,238.12
  4. Step 4: Simplify right side
    84,045.20x = 6,059,733,709.58
  5. Step 5: Solve for x
    x = 6,059,733,709.58/84,045.20
  6. Step 6: Final answer
    x = 72,100.89

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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.