Home / 85,306.08-117,727.74-47,580.24

Finding the Fourth Proportional to 85,306.08, 117,727.74 and 47,580.24

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Solution

The fourth proportional to 85,306.08, 117,727.74 and 47,580.24 is: 65,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306.08 : 117,727.74 = 47,580.24 : x
  2. Step 2: Convert to fraction form
    85,306.08/117,727.74 = 47,580.24/x
  3. Step 3: Cross multiply
    85,306.08x = 117,727.74 × 47,580.24
  4. Step 4: Simplify right side
    85,306.08x = 5,601,514,123.86
  5. Step 5: Solve for x
    x = 5,601,514,123.86/85,306.08
  6. Step 6: Final answer
    x = 65,663.71

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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.