Home / 56,618.08-78,134.16-31,467.04

Finding the Fourth Proportional to 56,618.08, 78,134.16 and 31,467.04

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Solution

The fourth proportional to 56,618.08, 78,134.16 and 31,467.04 is: 43,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,618.08 : 78,134.16 = 31,467.04 : x
  2. Step 2: Convert to fraction form
    56,618.08/78,134.16 = 31,467.04/x
  3. Step 3: Cross multiply
    56,618.08x = 78,134.16 × 31,467.04
  4. Step 4: Simplify right side
    56,618.08x = 2,458,650,738.09
  5. Step 5: Solve for x
    x = 2,458,650,738.09/56,618.08
  6. Step 6: Final answer
    x = 43,425.19

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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.