Home / 77,161.32-106,434.95-52,951.23

Finding the Fourth Proportional to 77,161.32, 106,434.95 and 52,951.23

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Solution

The fourth proportional to 77,161.32, 106,434.95 and 52,951.23 is: 73,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161.32 : 106,434.95 = 52,951.23 : x
  2. Step 2: Convert to fraction form
    77,161.32/106,434.95 = 52,951.23/x
  3. Step 3: Cross multiply
    77,161.32x = 106,434.95 × 52,951.23
  4. Step 4: Simplify right side
    77,161.32x = 5,635,861,252.73
  5. Step 5: Solve for x
    x = 5,635,861,252.73/77,161.32
  6. Step 6: Final answer
    x = 73,039.98

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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.