Home / 85,252.69-117,646.01-47,013.85

Finding the Fourth Proportional to 85,252.69, 117,646.01 and 47,013.85

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Solution

The fourth proportional to 85,252.69, 117,646.01 and 47,013.85 is: 64,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.69 : 117,646.01 = 47,013.85 : x
  2. Step 2: Convert to fraction form
    85,252.69/117,646.01 = 47,013.85/x
  3. Step 3: Cross multiply
    85,252.69x = 117,646.01 × 47,013.85
  4. Step 4: Simplify right side
    85,252.69x = 5,530,991,279.01
  5. Step 5: Solve for x
    x = 5,530,991,279.01/85,252.69
  6. Step 6: Final answer
    x = 64,877.62

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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.