Home / 69,939.04-96,514.66-38,108.20

Finding the Fourth Proportional to 69,939.04, 96,514.66 and 38,108.20

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Solution

The fourth proportional to 69,939.04, 96,514.66 and 38,108.20 is: 52,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.04 : 96,514.66 = 38,108.20 : x
  2. Step 2: Convert to fraction form
    69,939.04/96,514.66 = 38,108.20/x
  3. Step 3: Cross multiply
    69,939.04x = 96,514.66 × 38,108.20
  4. Step 4: Simplify right side
    69,939.04x = 3,677,999,966.21
  5. Step 5: Solve for x
    x = 3,677,999,966.21/69,939.04
  6. Step 6: Final answer
    x = 52,588.65

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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.