Home / 89,134.61-123,000.95-48,848.45

Finding the Fourth Proportional to 89,134.61, 123,000.95 and 48,848.45

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Solution

The fourth proportional to 89,134.61, 123,000.95 and 48,848.45 is: 67,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,134.61 : 123,000.95 = 48,848.45 : x
  2. Step 2: Convert to fraction form
    89,134.61/123,000.95 = 48,848.45/x
  3. Step 3: Cross multiply
    89,134.61x = 123,000.95 × 48,848.45
  4. Step 4: Simplify right side
    89,134.61x = 6,008,405,263.14
  5. Step 5: Solve for x
    x = 6,008,405,263.14/89,134.61
  6. Step 6: Final answer
    x = 67,408.22

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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.