Home / 89,178.95-123,065.30-48,893.00

Finding the Fourth Proportional to 89,178.95, 123,065.30 and 48,893.00

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Solution

The fourth proportional to 89,178.95, 123,065.30 and 48,893.00 is: 67,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,178.95 : 123,065.30 = 48,893.00 : x
  2. Step 2: Convert to fraction form
    89,178.95/123,065.30 = 48,893.00/x
  3. Step 3: Cross multiply
    89,178.95x = 123,065.30 × 48,893.00
  4. Step 4: Simplify right side
    89,178.95x = 6,017,030,853.11
  5. Step 5: Solve for x
    x = 6,017,030,853.11/89,178.95
  6. Step 6: Final answer
    x = 67,471.43

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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.