Home / 76,035.20-114,050.43-31,660.83

Finding the Fourth Proportional to 76,035.20, 114,050.43 and 31,660.83

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Solution

The fourth proportional to 76,035.20, 114,050.43 and 31,660.83 is: 47,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.20 : 114,050.43 = 31,660.83 : x
  2. Step 2: Convert to fraction form
    76,035.20/114,050.43 = 31,660.83/x
  3. Step 3: Cross multiply
    76,035.20x = 114,050.43 × 31,660.83
  4. Step 4: Simplify right side
    76,035.20x = 3,610,931,275.66
  5. Step 5: Solve for x
    x = 3,610,931,275.66/76,035.20
  6. Step 6: Final answer
    x = 47,490.26

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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.