Home / 56,575.51-78,076.68-31,425.01

Finding the Fourth Proportional to 56,575.51, 78,076.68 and 31,425.01

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Solution

The fourth proportional to 56,575.51, 78,076.68 and 31,425.01 is: 43,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,575.51 : 78,076.68 = 31,425.01 : x
  2. Step 2: Convert to fraction form
    56,575.51/78,076.68 = 31,425.01/x
  3. Step 3: Cross multiply
    56,575.51x = 78,076.68 × 31,425.01
  4. Step 4: Simplify right side
    56,575.51x = 2,453,560,292.64
  5. Step 5: Solve for x
    x = 2,453,560,292.64/56,575.51
  6. Step 6: Final answer
    x = 43,367.89

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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.