Home / 56,347.88-77,760.07-31,197.38

Finding the Fourth Proportional to 56,347.88, 77,760.07 and 31,197.38

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Solution

The fourth proportional to 56,347.88, 77,760.07 and 31,197.38 is: 43,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.88 : 77,760.07 = 31,197.38 : x
  2. Step 2: Convert to fraction form
    56,347.88/77,760.07 = 31,197.38/x
  3. Step 3: Cross multiply
    56,347.88x = 77,760.07 × 31,197.38
  4. Step 4: Simplify right side
    56,347.88x = 2,425,909,985.82
  5. Step 5: Solve for x
    x = 2,425,909,985.82/56,347.88
  6. Step 6: Final answer
    x = 43,052.38

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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.