Home / 73,669.18-109,884.05-71,455.45

Finding the Fourth Proportional to 73,669.18, 109,884.05 and 71,455.45

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Solution

The fourth proportional to 73,669.18, 109,884.05 and 71,455.45 is: 106,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,669.18 : 109,884.05 = 71,455.45 : x
  2. Step 2: Convert to fraction form
    73,669.18/109,884.05 = 71,455.45/x
  3. Step 3: Cross multiply
    73,669.18x = 109,884.05 × 71,455.45
  4. Step 4: Simplify right side
    73,669.18x = 7,851,814,240.57
  5. Step 5: Solve for x
    x = 7,851,814,240.57/73,669.18
  6. Step 6: Final answer
    x = 106,582.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.