Home / 64,753.19-89,347.55-36,072.15

Finding the Fourth Proportional to 64,753.19, 89,347.55 and 36,072.15

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Solution

The fourth proportional to 64,753.19, 89,347.55 and 36,072.15 is: 49,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,753.19 : 89,347.55 = 36,072.15 : x
  2. Step 2: Convert to fraction form
    64,753.19/89,347.55 = 36,072.15/x
  3. Step 3: Cross multiply
    64,753.19x = 89,347.55 × 36,072.15
  4. Step 4: Simplify right side
    64,753.19x = 3,222,958,045.37
  5. Step 5: Solve for x
    x = 3,222,958,045.37/64,753.19
  6. Step 6: Final answer
    x = 49,772.97

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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.