Home / 66,728.52-92,083.95-36,513.81

Finding the Fourth Proportional to 66,728.52, 92,083.95 and 36,513.81

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Solution

The fourth proportional to 66,728.52, 92,083.95 and 36,513.81 is: 50,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,728.52 : 92,083.95 = 36,513.81 : x
  2. Step 2: Convert to fraction form
    66,728.52/92,083.95 = 36,513.81/x
  3. Step 3: Cross multiply
    66,728.52x = 92,083.95 × 36,513.81
  4. Step 4: Simplify right side
    66,728.52x = 3,362,335,854.35
  5. Step 5: Solve for x
    x = 3,362,335,854.35/66,728.52
  6. Step 6: Final answer
    x = 50,388.29

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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.