Home / 77,198.52-106,526.43-43,204.98

Finding the Fourth Proportional to 77,198.52, 106,526.43 and 43,204.98

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Solution

The fourth proportional to 77,198.52, 106,526.43 and 43,204.98 is: 59,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,198.52 : 106,526.43 = 43,204.98 : x
  2. Step 2: Convert to fraction form
    77,198.52/106,526.43 = 43,204.98/x
  3. Step 3: Cross multiply
    77,198.52x = 106,526.43 × 43,204.98
  4. Step 4: Simplify right side
    77,198.52x = 4,602,472,277.62
  5. Step 5: Solve for x
    x = 4,602,472,277.62/77,198.52
  6. Step 6: Final answer
    x = 59,618.66

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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.