Home / 79,818.06-110,148.93-45,828.78

Finding the Fourth Proportional to 79,818.06, 110,148.93 and 45,828.78

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Solution

The fourth proportional to 79,818.06, 110,148.93 and 45,828.78 is: 63,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818.06 : 110,148.93 = 45,828.78 : x
  2. Step 2: Convert to fraction form
    79,818.06/110,148.93 = 45,828.78/x
  3. Step 3: Cross multiply
    79,818.06x = 110,148.93 × 45,828.78
  4. Step 4: Simplify right side
    79,818.06x = 5,047,991,080.21
  5. Step 5: Solve for x
    x = 5,047,991,080.21/79,818.06
  6. Step 6: Final answer
    x = 63,243.72

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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.