Home / 85,516.56-118,000.31-48,723.13

Finding the Fourth Proportional to 85,516.56, 118,000.31 and 48,723.13

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Solution

The fourth proportional to 85,516.56, 118,000.31 and 48,723.13 is: 67,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,516.56 : 118,000.31 = 48,723.13 : x
  2. Step 2: Convert to fraction form
    85,516.56/118,000.31 = 48,723.13/x
  3. Step 3: Cross multiply
    85,516.56x = 118,000.31 × 48,723.13
  4. Step 4: Simplify right side
    85,516.56x = 5,749,344,582.51
  5. Step 5: Solve for x
    x = 5,749,344,582.51/85,516.56
  6. Step 6: Final answer
    x = 67,230.77

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1.5x scale

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.