Home / 89,500.23-123,510.77-49,216.59

Finding the Fourth Proportional to 89,500.23, 123,510.77 and 49,216.59

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Solution

The fourth proportional to 89,500.23, 123,510.77 and 49,216.59 is: 67,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.23 : 123,510.77 = 49,216.59 : x
  2. Step 2: Convert to fraction form
    89,500.23/123,510.77 = 49,216.59/x
  3. Step 3: Cross multiply
    89,500.23x = 123,510.77 × 49,216.59
  4. Step 4: Simplify right side
    89,500.23x = 6,078,778,927.67
  5. Step 5: Solve for x
    x = 6,078,778,927.67/89,500.23
  6. Step 6: Final answer
    x = 67,919.14

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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.