Home / 76,165.32-114,355.53-47,994.06

Finding the Fourth Proportional to 76,165.32, 114,355.53 and 47,994.06

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Solution

The fourth proportional to 76,165.32, 114,355.53 and 47,994.06 is: 72,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165.32 : 114,355.53 = 47,994.06 : x
  2. Step 2: Convert to fraction form
    76,165.32/114,355.53 = 47,994.06/x
  3. Step 3: Cross multiply
    76,165.32x = 114,355.53 × 47,994.06
  4. Step 4: Simplify right side
    76,165.32x = 5,488,386,168.15
  5. Step 5: Solve for x
    x = 5,488,386,168.15/76,165.32
  6. Step 6: Final answer
    x = 72,058.86

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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.