Home / 74,660.70-102,678.66-59,373.57

Finding the Fourth Proportional to 74,660.70, 102,678.66 and 59,373.57

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Solution

The fourth proportional to 74,660.70, 102,678.66 and 59,373.57 is: 81,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660.70 : 102,678.66 = 59,373.57 : x
  2. Step 2: Convert to fraction form
    74,660.70/102,678.66 = 59,373.57/x
  3. Step 3: Cross multiply
    74,660.70x = 102,678.66 × 59,373.57
  4. Step 4: Simplify right side
    74,660.70x = 6,096,398,607.02
  5. Step 5: Solve for x
    x = 6,096,398,607.02/74,660.70
  6. Step 6: Final answer
    x = 81,654.72

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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.