Home / 88,471.77-122,172.19-56,217.02

Finding the Fourth Proportional to 88,471.77, 122,172.19 and 56,217.02

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Solution

The fourth proportional to 88,471.77, 122,172.19 and 56,217.02 is: 77,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,471.77 : 122,172.19 = 56,217.02 : x
  2. Step 2: Convert to fraction form
    88,471.77/122,172.19 = 56,217.02/x
  3. Step 3: Cross multiply
    88,471.77x = 122,172.19 × 56,217.02
  4. Step 4: Simplify right side
    88,471.77x = 6,868,156,448.67
  5. Step 5: Solve for x
    x = 6,868,156,448.67/88,471.77
  6. Step 6: Final answer
    x = 77,631.05

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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.