Home / 89,239.02-123,148.98-48,950.88

Finding the Fourth Proportional to 89,239.02, 123,148.98 and 48,950.88

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Solution

The fourth proportional to 89,239.02, 123,148.98 and 48,950.88 is: 67,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.02 : 123,148.98 = 48,950.88 : x
  2. Step 2: Convert to fraction form
    89,239.02/123,148.98 = 48,950.88/x
  3. Step 3: Cross multiply
    89,239.02x = 123,148.98 × 48,950.88
  4. Step 4: Simplify right side
    89,239.02x = 6,028,250,942.10
  5. Step 5: Solve for x
    x = 6,028,250,942.10/89,239.02
  6. Step 6: Final answer
    x = 67,551.74

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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.