Home / 87,146.49-120,252.27-48,901.03

Finding the Fourth Proportional to 87,146.49, 120,252.27 and 48,901.03

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Solution

The fourth proportional to 87,146.49, 120,252.27 and 48,901.03 is: 67,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,146.49 : 120,252.27 = 48,901.03 : x
  2. Step 2: Convert to fraction form
    87,146.49/120,252.27 = 48,901.03/x
  3. Step 3: Cross multiply
    87,146.49x = 120,252.27 × 48,901.03
  4. Step 4: Simplify right side
    87,146.49x = 5,880,459,862.84
  5. Step 5: Solve for x
    x = 5,880,459,862.84/87,146.49
  6. Step 6: Final answer
    x = 67,477.87

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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.