Home / 89,650.23-123,712.45-49,356.35

Finding the Fourth Proportional to 89,650.23, 123,712.45 and 49,356.35

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Solution

The fourth proportional to 89,650.23, 123,712.45 and 49,356.35 is: 68,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,650.23 : 123,712.45 = 49,356.35 : x
  2. Step 2: Convert to fraction form
    89,650.23/123,712.45 = 49,356.35/x
  3. Step 3: Cross multiply
    89,650.23x = 123,712.45 × 49,356.35
  4. Step 4: Simplify right side
    89,650.23x = 6,105,994,981.56
  5. Step 5: Solve for x
    x = 6,105,994,981.56/89,650.23
  6. Step 6: Final answer
    x = 68,109.08

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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.