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Finding the Fourth Proportional to 64,552.66, 89,166.76 and 49,628.82

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Solution

The fourth proportional to 64,552.66, 89,166.76 and 49,628.82 is: 68,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,552.66 : 89,166.76 = 49,628.82 : x
  2. Step 2: Convert to fraction form
    64,552.66/89,166.76 = 49,628.82/x
  3. Step 3: Cross multiply
    64,552.66x = 89,166.76 × 49,628.82
  4. Step 4: Simplify right side
    64,552.66x = 4,425,241,082.02
  5. Step 5: Solve for x
    x = 4,425,241,082.02/64,552.66
  6. Step 6: Final answer
    x = 68,552.42

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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.