Home / 92,839.19-128,117.95-50,397.73

Finding the Fourth Proportional to 92,839.19, 128,117.95 and 50,397.73

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Solution

The fourth proportional to 92,839.19, 128,117.95 and 50,397.73 is: 69,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,839.19 : 128,117.95 = 50,397.73 : x
  2. Step 2: Convert to fraction form
    92,839.19/128,117.95 = 50,397.73/x
  3. Step 3: Cross multiply
    92,839.19x = 128,117.95 × 50,397.73
  4. Step 4: Simplify right side
    92,839.19x = 6,456,853,852.25
  5. Step 5: Solve for x
    x = 6,456,853,852.25/92,839.19
  6. Step 6: Final answer
    x = 69,548.80

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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.