Home / 79,802.92-119,738.94-42,823.72

Finding the Fourth Proportional to 79,802.92, 119,738.94 and 42,823.72

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Solution

The fourth proportional to 79,802.92, 119,738.94 and 42,823.72 is: 64,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,802.92 : 119,738.94 = 42,823.72 : x
  2. Step 2: Convert to fraction form
    79,802.92/119,738.94 = 42,823.72/x
  3. Step 3: Cross multiply
    79,802.92x = 119,738.94 × 42,823.72
  4. Step 4: Simplify right side
    79,802.92x = 5,127,666,839.66
  5. Step 5: Solve for x
    x = 5,127,666,839.66/79,802.92
  6. Step 6: Final answer
    x = 64,254.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.