Home / 84,826.50-117,065.43-47,103.18

Finding the Fourth Proportional to 84,826.50, 117,065.43 and 47,103.18

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Solution

The fourth proportional to 84,826.50, 117,065.43 and 47,103.18 is: 65,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.50 : 117,065.43 = 47,103.18 : x
  2. Step 2: Convert to fraction form
    84,826.50/117,065.43 = 47,103.18/x
  3. Step 3: Cross multiply
    84,826.50x = 117,065.43 × 47,103.18
  4. Step 4: Simplify right side
    84,826.50x = 5,514,154,021.07
  5. Step 5: Solve for x
    x = 5,514,154,021.07/84,826.50
  6. Step 6: Final answer
    x = 65,005.09

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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.