Home / 92,782.26-128,143.83-62,514.58

Finding the Fourth Proportional to 92,782.26, 128,143.83 and 62,514.58

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Solution

The fourth proportional to 92,782.26, 128,143.83 and 62,514.58 is: 86,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,782.26 : 128,143.83 = 62,514.58 : x
  2. Step 2: Convert to fraction form
    92,782.26/128,143.83 = 62,514.58/x
  3. Step 3: Cross multiply
    92,782.26x = 128,143.83 × 62,514.58
  4. Step 4: Simplify right side
    92,782.26x = 8,010,857,712.04
  5. Step 5: Solve for x
    x = 8,010,857,712.04/92,782.26
  6. Step 6: Final answer
    x = 86,340.40

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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.