Home / 77,733.47-107,299.89-45,902.50

Finding the Fourth Proportional to 77,733.47, 107,299.89 and 45,902.50

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Solution

The fourth proportional to 77,733.47, 107,299.89 and 45,902.50 is: 63,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,733.47 : 107,299.89 = 45,902.50 : x
  2. Step 2: Convert to fraction form
    77,733.47/107,299.89 = 45,902.50/x
  3. Step 3: Cross multiply
    77,733.47x = 107,299.89 × 45,902.50
  4. Step 4: Simplify right side
    77,733.47x = 4,925,332,932.48
  5. Step 5: Solve for x
    x = 4,925,332,932.48/77,733.47
  6. Step 6: Final answer
    x = 63,361.80

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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.