Home / 77,703.24-107,230.88-45,887.82

Finding the Fourth Proportional to 77,703.24, 107,230.88 and 45,887.82

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Solution

The fourth proportional to 77,703.24, 107,230.88 and 45,887.82 is: 63,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.24 : 107,230.88 = 45,887.82 : x
  2. Step 2: Convert to fraction form
    77,703.24/107,230.88 = 45,887.82/x
  3. Step 3: Cross multiply
    77,703.24x = 107,230.88 × 45,887.82
  4. Step 4: Simplify right side
    77,703.24x = 4,920,591,319.88
  5. Step 5: Solve for x
    x = 4,920,591,319.88/77,703.24
  6. Step 6: Final answer
    x = 63,325.43

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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.