Home / 92,763.42-128,013.76-50,321.95

Finding the Fourth Proportional to 92,763.42, 128,013.76 and 50,321.95

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Solution

The fourth proportional to 92,763.42, 128,013.76 and 50,321.95 is: 69,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,763.42 : 128,013.76 = 50,321.95 : x
  2. Step 2: Convert to fraction form
    92,763.42/128,013.76 = 50,321.95/x
  3. Step 3: Cross multiply
    92,763.42x = 128,013.76 × 50,321.95
  4. Step 4: Simplify right side
    92,763.42x = 6,441,901,772.90
  5. Step 5: Solve for x
    x = 6,441,901,772.90/92,763.42
  6. Step 6: Final answer
    x = 69,444.42

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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.