Home / 92,965.29-128,293.02-55,232.25

Finding the Fourth Proportional to 92,965.29, 128,293.02 and 55,232.25

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Solution

The fourth proportional to 92,965.29, 128,293.02 and 55,232.25 is: 76,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,965.29 : 128,293.02 = 55,232.25 : x
  2. Step 2: Convert to fraction form
    92,965.29/128,293.02 = 55,232.25/x
  3. Step 3: Cross multiply
    92,965.29x = 128,293.02 × 55,232.25
  4. Step 4: Simplify right side
    92,965.29x = 7,085,912,153.90
  5. Step 5: Solve for x
    x = 7,085,912,153.90/92,965.29
  6. Step 6: Final answer
    x = 76,221.05

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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.