Home / 85,790.04-118,393.50-48,063

Finding the Fourth Proportional to 85,790.04, 118,393.50 and 48,063

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Solution

The fourth proportional to 85,790.04, 118,393.50 and 48,063 is: 66,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,790.04 : 118,393.50 = 48,063 : x
  2. Step 2: Convert to fraction form
    85,790.04/118,393.50 = 48,063/x
  3. Step 3: Cross multiply
    85,790.04x = 118,393.50 × 48,063
  4. Step 4: Simplify right side
    85,790.04x = 5,690,346,790.50
  5. Step 5: Solve for x
    x = 5,690,346,790.50/85,790.04
  6. Step 6: Final answer
    x = 66,328.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.