Home / 85,514.10-118,006.92-47,788.26

Finding the Fourth Proportional to 85,514.10, 118,006.92 and 47,788.26

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Solution

The fourth proportional to 85,514.10, 118,006.92 and 47,788.26 is: 65,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,514.10 : 118,006.92 = 47,788.26 : x
  2. Step 2: Convert to fraction form
    85,514.10/118,006.92 = 47,788.26/x
  3. Step 3: Cross multiply
    85,514.10x = 118,006.92 × 47,788.26
  4. Step 4: Simplify right side
    85,514.10x = 5,639,345,374.76
  5. Step 5: Solve for x
    x = 5,639,345,374.76/85,514.10
  6. Step 6: Final answer
    x = 65,946.38

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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.