Home / 66,587.32-91,889.58-36,372.28

Finding the Fourth Proportional to 66,587.32, 91,889.58 and 36,372.28

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Solution

The fourth proportional to 66,587.32, 91,889.58 and 36,372.28 is: 50,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,587.32 : 91,889.58 = 36,372.28 : x
  2. Step 2: Convert to fraction form
    66,587.32/91,889.58 = 36,372.28/x
  3. Step 3: Cross multiply
    66,587.32x = 91,889.58 × 36,372.28
  4. Step 4: Simplify right side
    66,587.32x = 3,342,233,532.84
  5. Step 5: Solve for x
    x = 3,342,233,532.84/66,587.32
  6. Step 6: Final answer
    x = 50,193.24

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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.