Home / 66,298.44-91,490.36-36,083.86

Finding the Fourth Proportional to 66,298.44, 91,490.36 and 36,083.86

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Solution

The fourth proportional to 66,298.44, 91,490.36 and 36,083.86 is: 49,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298.44 : 91,490.36 = 36,083.86 : x
  2. Step 2: Convert to fraction form
    66,298.44/91,490.36 = 36,083.86/x
  3. Step 3: Cross multiply
    66,298.44x = 91,490.36 × 36,083.86
  4. Step 4: Simplify right side
    66,298.44x = 3,301,325,341.59
  5. Step 5: Solve for x
    x = 3,301,325,341.59/66,298.44
  6. Step 6: Final answer
    x = 49,794.92

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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.