Home / 92,956.18-128,279.28-50,514.72

Finding the Fourth Proportional to 92,956.18, 128,279.28 and 50,514.72

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Solution

The fourth proportional to 92,956.18, 128,279.28 and 50,514.72 is: 69,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,956.18 : 128,279.28 = 50,514.72 : x
  2. Step 2: Convert to fraction form
    92,956.18/128,279.28 = 50,514.72/x
  3. Step 3: Cross multiply
    92,956.18x = 128,279.28 × 50,514.72
  4. Step 4: Simplify right side
    92,956.18x = 6,479,991,911.00
  5. Step 5: Solve for x
    x = 6,479,991,911.00/92,956.18
  6. Step 6: Final answer
    x = 69,710.18

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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.