Home / 56,201.28-77,556.72-31,050.24

Finding the Fourth Proportional to 56,201.28, 77,556.72 and 31,050.24

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Solution

The fourth proportional to 56,201.28, 77,556.72 and 31,050.24 is: 42,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.28 : 77,556.72 = 31,050.24 : x
  2. Step 2: Convert to fraction form
    56,201.28/77,556.72 = 31,050.24/x
  3. Step 3: Cross multiply
    56,201.28x = 77,556.72 × 31,050.24
  4. Step 4: Simplify right side
    56,201.28x = 2,408,154,769.61
  5. Step 5: Solve for x
    x = 2,408,154,769.61/56,201.28
  6. Step 6: Final answer
    x = 42,848.75

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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.