Home / 56,761.08-78,330.31-32,901.59

Finding the Fourth Proportional to 56,761.08, 78,330.31 and 32,901.59

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Solution

The fourth proportional to 56,761.08, 78,330.31 and 32,901.59 is: 45,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.08 : 78,330.31 = 32,901.59 : x
  2. Step 2: Convert to fraction form
    56,761.08/78,330.31 = 32,901.59/x
  3. Step 3: Cross multiply
    56,761.08x = 78,330.31 × 32,901.59
  4. Step 4: Simplify right side
    56,761.08x = 2,577,191,579.68
  5. Step 5: Solve for x
    x = 2,577,191,579.68/56,761.08
  6. Step 6: Final answer
    x = 45,404.21

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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.