Home / 92,839.52-128,118.70-50,398.04

Finding the Fourth Proportional to 92,839.52, 128,118.70 and 50,398.04

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Solution

The fourth proportional to 92,839.52, 128,118.70 and 50,398.04 is: 69,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,839.52 : 128,118.70 = 50,398.04 : x
  2. Step 2: Convert to fraction form
    92,839.52/128,118.70 = 50,398.04/x
  3. Step 3: Cross multiply
    92,839.52x = 128,118.70 × 50,398.04
  4. Step 4: Simplify right side
    92,839.52x = 6,456,931,367.35
  5. Step 5: Solve for x
    x = 6,456,931,367.35/92,839.52
  6. Step 6: Final answer
    x = 69,549.38

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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.