Home / 77,653.26-106,897.04-57,472.11

Finding the Fourth Proportional to 77,653.26, 106,897.04 and 57,472.11

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Solution

The fourth proportional to 77,653.26, 106,897.04 and 57,472.11 is: 79,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653.26 : 106,897.04 = 57,472.11 : x
  2. Step 2: Convert to fraction form
    77,653.26/106,897.04 = 57,472.11/x
  3. Step 3: Cross multiply
    77,653.26x = 106,897.04 × 57,472.11
  4. Step 4: Simplify right side
    77,653.26x = 6,143,598,441.55
  5. Step 5: Solve for x
    x = 6,143,598,441.55/77,653.26
  6. Step 6: Final answer
    x = 79,115.78

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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.