Home / 92,801.11-128,065.89-50,359.65

Finding the Fourth Proportional to 92,801.11, 128,065.89 and 50,359.65

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Solution

The fourth proportional to 92,801.11, 128,065.89 and 50,359.65 is: 69,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,801.11 : 128,065.89 = 50,359.65 : x
  2. Step 2: Convert to fraction form
    92,801.11/128,065.89 = 50,359.65/x
  3. Step 3: Cross multiply
    92,801.11x = 128,065.89 × 50,359.65
  4. Step 4: Simplify right side
    92,801.11x = 6,449,353,397.34
  5. Step 5: Solve for x
    x = 6,449,353,397.34/92,801.11
  6. Step 6: Final answer
    x = 69,496.51

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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.