Home / 56,326.72-77,732.09-31,176.22

Finding the Fourth Proportional to 56,326.72, 77,732.09 and 31,176.22

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Solution

The fourth proportional to 56,326.72, 77,732.09 and 31,176.22 is: 43,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.72 : 77,732.09 = 31,176.22 : x
  2. Step 2: Convert to fraction form
    56,326.72/77,732.09 = 31,176.22/x
  3. Step 3: Cross multiply
    56,326.72x = 77,732.09 × 31,176.22
  4. Step 4: Simplify right side
    56,326.72x = 2,423,392,583.02
  5. Step 5: Solve for x
    x = 2,423,392,583.02/56,326.72
  6. Step 6: Final answer
    x = 43,023.85

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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.