Home / 77,338.08-106,733.42-45,070.92

Finding the Fourth Proportional to 77,338.08, 106,733.42 and 45,070.92

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Solution

The fourth proportional to 77,338.08, 106,733.42 and 45,070.92 is: 62,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338.08 : 106,733.42 = 45,070.92 : x
  2. Step 2: Convert to fraction form
    77,338.08/106,733.42 = 45,070.92/x
  3. Step 3: Cross multiply
    77,338.08x = 106,733.42 × 45,070.92
  4. Step 4: Simplify right side
    77,338.08x = 4,810,573,546.82
  5. Step 5: Solve for x
    x = 4,810,573,546.82/77,338.08
  6. Step 6: Final answer
    x = 62,201.87

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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.