Home / 79,178.31-109,263.13-43,368.62

Finding the Fourth Proportional to 79,178.31, 109,263.13 and 43,368.62

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Solution

The fourth proportional to 79,178.31, 109,263.13 and 43,368.62 is: 59,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.31 : 109,263.13 = 43,368.62 : x
  2. Step 2: Convert to fraction form
    79,178.31/109,263.13 = 43,368.62/x
  3. Step 3: Cross multiply
    79,178.31x = 109,263.13 × 43,368.62
  4. Step 4: Simplify right side
    79,178.31x = 4,738,590,510.24
  5. Step 5: Solve for x
    x = 4,738,590,510.24/79,178.31
  6. Step 6: Final answer
    x = 59,847.08

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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.