Home / 77,438.66-106,898.10-52,322.18

Finding the Fourth Proportional to 77,438.66, 106,898.10 and 52,322.18

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Solution

The fourth proportional to 77,438.66, 106,898.10 and 52,322.18 is: 72,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,438.66 : 106,898.10 = 52,322.18 : x
  2. Step 2: Convert to fraction form
    77,438.66/106,898.10 = 52,322.18/x
  3. Step 3: Cross multiply
    77,438.66x = 106,898.10 × 52,322.18
  4. Step 4: Simplify right side
    77,438.66x = 5,593,141,629.86
  5. Step 5: Solve for x
    x = 5,593,141,629.86/77,438.66
  6. Step 6: Final answer
    x = 72,226.74

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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.