Home / 79,639.65-109,904.93-43,341.43

Finding the Fourth Proportional to 79,639.65, 109,904.93 and 43,341.43

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Solution

The fourth proportional to 79,639.65, 109,904.93 and 43,341.43 is: 59,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,639.65 : 109,904.93 = 43,341.43 : x
  2. Step 2: Convert to fraction form
    79,639.65/109,904.93 = 43,341.43/x
  3. Step 3: Cross multiply
    79,639.65x = 109,904.93 × 43,341.43
  4. Step 4: Simplify right side
    79,639.65x = 4,763,436,701.40
  5. Step 5: Solve for x
    x = 4,763,436,701.40/79,639.65
  6. Step 6: Final answer
    x = 59,812.38

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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.