Home / 77,466.38-106,903.60-43,932.38

Finding the Fourth Proportional to 77,466.38, 106,903.60 and 43,932.38

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Solution

The fourth proportional to 77,466.38, 106,903.60 and 43,932.38 is: 60,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.38 : 106,903.60 = 43,932.38 : x
  2. Step 2: Convert to fraction form
    77,466.38/106,903.60 = 43,932.38/x
  3. Step 3: Cross multiply
    77,466.38x = 106,903.60 × 43,932.38
  4. Step 4: Simplify right side
    77,466.38x = 4,696,528,934.22
  5. Step 5: Solve for x
    x = 4,696,528,934.22/77,466.38
  6. Step 6: Final answer
    x = 60,626.68

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1.5x scale

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.