Home / 92,801.36-128,066.21-50,359.88

Finding the Fourth Proportional to 92,801.36, 128,066.21 and 50,359.88

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Solution

The fourth proportional to 92,801.36, 128,066.21 and 50,359.88 is: 69,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,801.36 : 128,066.21 = 50,359.88 : x
  2. Step 2: Convert to fraction form
    92,801.36/128,066.21 = 50,359.88/x
  3. Step 3: Cross multiply
    92,801.36x = 128,066.21 × 50,359.88
  4. Step 4: Simplify right side
    92,801.36x = 6,449,398,967.65
  5. Step 5: Solve for x
    x = 6,449,398,967.65/92,801.36
  6. Step 6: Final answer
    x = 69,496.82

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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.