Home / 77,816.30-107,385.35-43,824.85

Finding the Fourth Proportional to 77,816.30, 107,385.35 and 43,824.85

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Solution

The fourth proportional to 77,816.30, 107,385.35 and 43,824.85 is: 60,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.30 : 107,385.35 = 43,824.85 : x
  2. Step 2: Convert to fraction form
    77,816.30/107,385.35 = 43,824.85/x
  3. Step 3: Cross multiply
    77,816.30x = 107,385.35 × 43,824.85
  4. Step 4: Simplify right side
    77,816.30x = 4,706,146,368.36
  5. Step 5: Solve for x
    x = 4,706,146,368.36/77,816.30
  6. Step 6: Final answer
    x = 60,477.65

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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.