Home / 92,772.11-128,025.55-50,330.63

Finding the Fourth Proportional to 92,772.11, 128,025.55 and 50,330.63

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Solution

The fourth proportional to 92,772.11, 128,025.55 and 50,330.63 is: 69,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772.11 : 128,025.55 = 50,330.63 : x
  2. Step 2: Convert to fraction form
    92,772.11/128,025.55 = 50,330.63/x
  3. Step 3: Cross multiply
    92,772.11x = 128,025.55 × 50,330.63
  4. Step 4: Simplify right side
    92,772.11x = 6,443,606,587.60
  5. Step 5: Solve for x
    x = 6,443,606,587.60/92,772.11
  6. Step 6: Final answer
    x = 69,456.29

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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.