Home / 79,664.18-109,923.90-45,666.16

Finding the Fourth Proportional to 79,664.18, 109,923.90 and 45,666.16

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Solution

The fourth proportional to 79,664.18, 109,923.90 and 45,666.16 is: 63,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.18 : 109,923.90 = 45,666.16 : x
  2. Step 2: Convert to fraction form
    79,664.18/109,923.90 = 45,666.16/x
  3. Step 3: Cross multiply
    79,664.18x = 109,923.90 × 45,666.16
  4. Step 4: Simplify right side
    79,664.18x = 5,019,802,405.22
  5. Step 5: Solve for x
    x = 5,019,802,405.22/79,664.18
  6. Step 6: Final answer
    x = 63,012.04

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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.