Home / 76,000.07-113,938.61-31,660.13

Finding the Fourth Proportional to 76,000.07, 113,938.61 and 31,660.13

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Solution

The fourth proportional to 76,000.07, 113,938.61 and 31,660.13 is: 47,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.07 : 113,938.61 = 31,660.13 : x
  2. Step 2: Convert to fraction form
    76,000.07/113,938.61 = 31,660.13/x
  3. Step 3: Cross multiply
    76,000.07x = 113,938.61 × 31,660.13
  4. Step 4: Simplify right side
    76,000.07x = 3,607,311,204.62
  5. Step 5: Solve for x
    x = 3,607,311,204.62/76,000.07
  6. Step 6: Final answer
    x = 47,464.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.