Home / 56,385.75-77,812.34-34,029.75

Finding the Fourth Proportional to 56,385.75, 77,812.34 and 34,029.75

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Solution

The fourth proportional to 56,385.75, 77,812.34 and 34,029.75 is: 46,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,385.75 : 77,812.34 = 34,029.75 : x
  2. Step 2: Convert to fraction form
    56,385.75/77,812.34 = 34,029.75/x
  3. Step 3: Cross multiply
    56,385.75x = 77,812.34 × 34,029.75
  4. Step 4: Simplify right side
    56,385.75x = 2,647,934,477.12
  5. Step 5: Solve for x
    x = 2,647,934,477.12/56,385.75
  6. Step 6: Final answer
    x = 46,961.06

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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.