Home / 85,091.64-117,424.38-47,365.08

Finding the Fourth Proportional to 85,091.64, 117,424.38 and 47,365.08

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Solution

The fourth proportional to 85,091.64, 117,424.38 and 47,365.08 is: 65,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.64 : 117,424.38 = 47,365.08 : x
  2. Step 2: Convert to fraction form
    85,091.64/117,424.38 = 47,365.08/x
  3. Step 3: Cross multiply
    85,091.64x = 117,424.38 × 47,365.08
  4. Step 4: Simplify right side
    85,091.64x = 5,561,815,152.65
  5. Step 5: Solve for x
    x = 5,561,815,152.65/85,091.64
  6. Step 6: Final answer
    x = 65,362.65

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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.