Home / 92,881.37-128,175.16-50,440.21

Finding the Fourth Proportional to 92,881.37, 128,175.16 and 50,440.21

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Solution

The fourth proportional to 92,881.37, 128,175.16 and 50,440.21 is: 69,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.37 : 128,175.16 = 50,440.21 : x
  2. Step 2: Convert to fraction form
    92,881.37/128,175.16 = 50,440.21/x
  3. Step 3: Cross multiply
    92,881.37x = 128,175.16 × 50,440.21
  4. Step 4: Simplify right side
    92,881.37x = 6,465,181,987.18
  5. Step 5: Solve for x
    x = 6,465,181,987.18/92,881.37
  6. Step 6: Final answer
    x = 69,606.88

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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.