Home / 92,825.66-128,099.55-50,384.21

Finding the Fourth Proportional to 92,825.66, 128,099.55 and 50,384.21

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Solution

The fourth proportional to 92,825.66, 128,099.55 and 50,384.21 is: 69,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,825.66 : 128,099.55 = 50,384.21 : x
  2. Step 2: Convert to fraction form
    92,825.66/128,099.55 = 50,384.21/x
  3. Step 3: Cross multiply
    92,825.66x = 128,099.55 × 50,384.21
  4. Step 4: Simplify right side
    92,825.66x = 6,454,193,987.61
  5. Step 5: Solve for x
    x = 6,454,193,987.61/92,825.66
  6. Step 6: Final answer
    x = 69,530.28

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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.