Home / 109,913.85-164,925.45-43,356.15

Finding the Fourth Proportional to 109,913.85, 164,925.45 and 43,356.15

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Solution

The fourth proportional to 109,913.85, 164,925.45 and 43,356.15 is: 65,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,913.85 : 164,925.45 = 43,356.15 : x
  2. Step 2: Convert to fraction form
    109,913.85/164,925.45 = 43,356.15/x
  3. Step 3: Cross multiply
    109,913.85x = 164,925.45 × 43,356.15
  4. Step 4: Simplify right side
    109,913.85x = 7,150,532,549.02
  5. Step 5: Solve for x
    x = 7,150,532,549.02/109,913.85
  6. Step 6: Final answer
    x = 65,055.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.