Home / 77,269.90-106,620.27-45,009.82

Finding the Fourth Proportional to 77,269.90, 106,620.27 and 45,009.82

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Solution

The fourth proportional to 77,269.90, 106,620.27 and 45,009.82 is: 62,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.90 : 106,620.27 = 45,009.82 : x
  2. Step 2: Convert to fraction form
    77,269.90/106,620.27 = 45,009.82/x
  3. Step 3: Cross multiply
    77,269.90x = 106,620.27 × 45,009.82
  4. Step 4: Simplify right side
    77,269.90x = 4,798,959,161.05
  5. Step 5: Solve for x
    x = 4,798,959,161.05/77,269.90
  6. Step 6: Final answer
    x = 62,106.45

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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.