Home / 56,193.49-77,543.53-30,694.69

Finding the Fourth Proportional to 56,193.49, 77,543.53 and 30,694.69

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Solution

The fourth proportional to 56,193.49, 77,543.53 and 30,694.69 is: 42,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,193.49 : 77,543.53 = 30,694.69 : x
  2. Step 2: Convert to fraction form
    56,193.49/77,543.53 = 30,694.69/x
  3. Step 3: Cross multiply
    56,193.49x = 77,543.53 × 30,694.69
  4. Step 4: Simplify right side
    56,193.49x = 2,380,174,614.86
  5. Step 5: Solve for x
    x = 2,380,174,614.86/56,193.49
  6. Step 6: Final answer
    x = 42,356.77

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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.