Home / 55,896.86-77,138.15-30,403.43

Finding the Fourth Proportional to 55,896.86, 77,138.15 and 30,403.43

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Solution

The fourth proportional to 55,896.86, 77,138.15 and 30,403.43 is: 41,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.86 : 77,138.15 = 30,403.43 : x
  2. Step 2: Convert to fraction form
    55,896.86/77,138.15 = 30,403.43/x
  3. Step 3: Cross multiply
    55,896.86x = 77,138.15 × 30,403.43
  4. Step 4: Simplify right side
    55,896.86x = 2,345,264,343.85
  5. Step 5: Solve for x
    x = 2,345,264,343.85/55,896.86
  6. Step 6: Final answer
    x = 41,957.00

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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.