Home / 64,770.19-89,381.52-36,089.74

Finding the Fourth Proportional to 64,770.19, 89,381.52 and 36,089.74

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Solution

The fourth proportional to 64,770.19, 89,381.52 and 36,089.74 is: 49,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,770.19 : 89,381.52 = 36,089.74 : x
  2. Step 2: Convert to fraction form
    64,770.19/89,381.52 = 36,089.74/x
  3. Step 3: Cross multiply
    64,770.19x = 89,381.52 × 36,089.74
  4. Step 4: Simplify right side
    64,770.19x = 3,225,755,817.60
  5. Step 5: Solve for x
    x = 3,225,755,817.60/64,770.19
  6. Step 6: Final answer
    x = 49,803.09

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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.