Home / 56,060.32-77,363.26-30,909.82

Finding the Fourth Proportional to 56,060.32, 77,363.26 and 30,909.82

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Solution

The fourth proportional to 56,060.32, 77,363.26 and 30,909.82 is: 42,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,060.32 : 77,363.26 = 30,909.82 : x
  2. Step 2: Convert to fraction form
    56,060.32/77,363.26 = 30,909.82/x
  3. Step 3: Cross multiply
    56,060.32x = 77,363.26 × 30,909.82
  4. Step 4: Simplify right side
    56,060.32x = 2,391,284,441.21
  5. Step 5: Solve for x
    x = 2,391,284,441.21/56,060.32
  6. Step 6: Final answer
    x = 42,655.56

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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.