Home / 56,427.78-77,875.20-32,562.36

Finding the Fourth Proportional to 56,427.78, 77,875.20 and 32,562.36

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Solution

The fourth proportional to 56,427.78, 77,875.20 and 32,562.36 is: 44,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427.78 : 77,875.20 = 32,562.36 : x
  2. Step 2: Convert to fraction form
    56,427.78/77,875.20 = 32,562.36/x
  3. Step 3: Cross multiply
    56,427.78x = 77,875.20 × 32,562.36
  4. Step 4: Simplify right side
    56,427.78x = 2,535,800,297.47
  5. Step 5: Solve for x
    x = 2,535,800,297.47/56,427.78
  6. Step 6: Final answer
    x = 44,938.86

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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.