Home / 66,847.84-92,252.56-38,172.17

Finding the Fourth Proportional to 66,847.84, 92,252.56 and 38,172.17

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Solution

The fourth proportional to 66,847.84, 92,252.56 and 38,172.17 is: 52,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.84 : 92,252.56 = 38,172.17 : x
  2. Step 2: Convert to fraction form
    66,847.84/92,252.56 = 38,172.17/x
  3. Step 3: Cross multiply
    66,847.84x = 92,252.56 × 38,172.17
  4. Step 4: Simplify right side
    66,847.84x = 3,521,480,403.26
  5. Step 5: Solve for x
    x = 3,521,480,403.26/66,847.84
  6. Step 6: Final answer
    x = 52,679.05

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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.