Home / 76,678.56-114,981.39-26,752.62

Finding the Fourth Proportional to 76,678.56, 114,981.39 and 26,752.62

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Solution

The fourth proportional to 76,678.56, 114,981.39 and 26,752.62 is: 40,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,678.56 : 114,981.39 = 26,752.62 : x
  2. Step 2: Convert to fraction form
    76,678.56/114,981.39 = 26,752.62/x
  3. Step 3: Cross multiply
    76,678.56x = 114,981.39 × 26,752.62
  4. Step 4: Simplify right side
    76,678.56x = 3,076,053,433.74
  5. Step 5: Solve for x
    x = 3,076,053,433.74/76,678.56
  6. Step 6: Final answer
    x = 40,116.21

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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.