Home / 56,945.16-85,417.90-33,539.40

Finding the Fourth Proportional to 56,945.16, 85,417.90 and 33,539.40

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Solution

The fourth proportional to 56,945.16, 85,417.90 and 33,539.40 is: 50,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,945.16 : 85,417.90 = 33,539.40 : x
  2. Step 2: Convert to fraction form
    56,945.16/85,417.90 = 33,539.40/x
  3. Step 3: Cross multiply
    56,945.16x = 85,417.90 × 33,539.40
  4. Step 4: Simplify right side
    56,945.16x = 2,864,865,115.26
  5. Step 5: Solve for x
    x = 2,864,865,115.26/56,945.16
  6. Step 6: Final answer
    x = 50,309.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.