Home / 56,200.11-77,553.84-30,707.35

Finding the Fourth Proportional to 56,200.11, 77,553.84 and 30,707.35

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Solution

The fourth proportional to 56,200.11, 77,553.84 and 30,707.35 is: 42,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.11 : 77,553.84 = 30,707.35 : x
  2. Step 2: Convert to fraction form
    56,200.11/77,553.84 = 30,707.35/x
  3. Step 3: Cross multiply
    56,200.11x = 77,553.84 × 30,707.35
  4. Step 4: Simplify right side
    56,200.11x = 2,381,472,512.43
  5. Step 5: Solve for x
    x = 2,381,472,512.43/56,200.11
  6. Step 6: Final answer
    x = 42,374.88

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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.