Home / 76,146.10-114,226.80-26,219.59

Finding the Fourth Proportional to 76,146.10, 114,226.80 and 26,219.59

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Solution

The fourth proportional to 76,146.10, 114,226.80 and 26,219.59 is: 39,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,146.10 : 114,226.80 = 26,219.59 : x
  2. Step 2: Convert to fraction form
    76,146.10/114,226.80 = 26,219.59/x
  3. Step 3: Cross multiply
    76,146.10x = 114,226.80 × 26,219.59
  4. Step 4: Simplify right side
    76,146.10x = 2,994,979,479.12
  5. Step 5: Solve for x
    x = 2,994,979,479.12/76,146.10
  6. Step 6: Final answer
    x = 39,332.02

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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.