Home / 85,288.08-117,694.80-47,047.54

Finding the Fourth Proportional to 85,288.08, 117,694.80 and 47,047.54

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Solution

The fourth proportional to 85,288.08, 117,694.80 and 47,047.54 is: 64,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288.08 : 117,694.80 = 47,047.54 : x
  2. Step 2: Convert to fraction form
    85,288.08/117,694.80 = 47,047.54/x
  3. Step 3: Cross multiply
    85,288.08x = 117,694.80 × 47,047.54
  4. Step 4: Simplify right side
    85,288.08x = 5,537,250,810.79
  5. Step 5: Solve for x
    x = 5,537,250,810.79/85,288.08
  6. Step 6: Final answer
    x = 64,924.09

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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.