Home / 92,940.04-128,257.80-50,498.56

Finding the Fourth Proportional to 92,940.04, 128,257.80 and 50,498.56

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Solution

The fourth proportional to 92,940.04, 128,257.80 and 50,498.56 is: 69,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,940.04 : 128,257.80 = 50,498.56 : x
  2. Step 2: Convert to fraction form
    92,940.04/128,257.80 = 50,498.56/x
  3. Step 3: Cross multiply
    92,940.04x = 128,257.80 × 50,498.56
  4. Step 4: Simplify right side
    92,940.04x = 6,476,834,208.77
  5. Step 5: Solve for x
    x = 6,476,834,208.77/92,940.04
  6. Step 6: Final answer
    x = 69,688.31

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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.