Home / 89,712.24-134,522.28-48,209.52

Finding the Fourth Proportional to 89,712.24, 134,522.28 and 48,209.52

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Solution

The fourth proportional to 89,712.24, 134,522.28 and 48,209.52 is: 72,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.24 : 134,522.28 = 48,209.52 : x
  2. Step 2: Convert to fraction form
    89,712.24/134,522.28 = 48,209.52/x
  3. Step 3: Cross multiply
    89,712.24x = 134,522.28 × 48,209.52
  4. Step 4: Simplify right side
    89,712.24x = 6,485,254,548.11
  5. Step 5: Solve for x
    x = 6,485,254,548.11/89,712.24
  6. Step 6: Final answer
    x = 72,289.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.