Home / 79,727.04-110,019.78-45,711.18

Finding the Fourth Proportional to 79,727.04, 110,019.78 and 45,711.18

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Solution

The fourth proportional to 79,727.04, 110,019.78 and 45,711.18 is: 63,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.04 : 110,019.78 = 45,711.18 : x
  2. Step 2: Convert to fraction form
    79,727.04/110,019.78 = 45,711.18/x
  3. Step 3: Cross multiply
    79,727.04x = 110,019.78 × 45,711.18
  4. Step 4: Simplify right side
    79,727.04x = 5,029,133,967.14
  5. Step 5: Solve for x
    x = 5,029,133,967.14/79,727.04
  6. Step 6: Final answer
    x = 63,079.40

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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.