Home / 76,320.35-114,497.96-26,400.40

Finding the Fourth Proportional to 76,320.35, 114,497.96 and 26,400.40

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Solution

The fourth proportional to 76,320.35, 114,497.96 and 26,400.40 is: 39,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320.35 : 114,497.96 = 26,400.40 : x
  2. Step 2: Convert to fraction form
    76,320.35/114,497.96 = 26,400.40/x
  3. Step 3: Cross multiply
    76,320.35x = 114,497.96 × 26,400.40
  4. Step 4: Simplify right side
    76,320.35x = 3,022,791,943.18
  5. Step 5: Solve for x
    x = 3,022,791,943.18/76,320.35
  6. Step 6: Final answer
    x = 39,606.63

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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.