Home / 76,746.23-114,906.78-39,225.51

Finding the Fourth Proportional to 76,746.23, 114,906.78 and 39,225.51

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Solution

The fourth proportional to 76,746.23, 114,906.78 and 39,225.51 is: 58,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746.23 : 114,906.78 = 39,225.51 : x
  2. Step 2: Convert to fraction form
    76,746.23/114,906.78 = 39,225.51/x
  3. Step 3: Cross multiply
    76,746.23x = 114,906.78 × 39,225.51
  4. Step 4: Simplify right side
    76,746.23x = 4,507,276,473.42
  5. Step 5: Solve for x
    x = 4,507,276,473.42/76,746.23
  6. Step 6: Final answer
    x = 58,729.61

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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.