Home / 56,200.99-77,553.87-30,702.19

Finding the Fourth Proportional to 56,200.99, 77,553.87 and 30,702.19

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Solution

The fourth proportional to 56,200.99, 77,553.87 and 30,702.19 is: 42,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.99 : 77,553.87 = 30,702.19 : x
  2. Step 2: Convert to fraction form
    56,200.99/77,553.87 = 30,702.19/x
  3. Step 3: Cross multiply
    56,200.99x = 77,553.87 × 30,702.19
  4. Step 4: Simplify right side
    56,200.99x = 2,381,073,651.98
  5. Step 5: Solve for x
    x = 2,381,073,651.98/56,200.99
  6. Step 6: Final answer
    x = 42,367.11

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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.