Home / 64,727.18-89,318.94-36,045.98

Finding the Fourth Proportional to 64,727.18, 89,318.94 and 36,045.98

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Solution

The fourth proportional to 64,727.18, 89,318.94 and 36,045.98 is: 49,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.18 : 89,318.94 = 36,045.98 : x
  2. Step 2: Convert to fraction form
    64,727.18/89,318.94 = 36,045.98/x
  3. Step 3: Cross multiply
    64,727.18x = 89,318.94 × 36,045.98
  4. Step 4: Simplify right side
    64,727.18x = 3,219,588,724.86
  5. Step 5: Solve for x
    x = 3,219,588,724.86/64,727.18
  6. Step 6: Final answer
    x = 49,740.91

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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.