Home / 89,713.02-123,803.39-49,425.85

Finding the Fourth Proportional to 89,713.02, 123,803.39 and 49,425.85

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Solution

The fourth proportional to 89,713.02, 123,803.39 and 49,425.85 is: 68,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713.02 : 123,803.39 = 49,425.85 : x
  2. Step 2: Convert to fraction form
    89,713.02/123,803.39 = 49,425.85/x
  3. Step 3: Cross multiply
    89,713.02x = 123,803.39 × 49,425.85
  4. Step 4: Simplify right side
    89,713.02x = 6,119,087,783.63
  5. Step 5: Solve for x
    x = 6,119,087,783.63/89,713.02
  6. Step 6: Final answer
    x = 68,207.35

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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.