Home / 86,148.36-118,890.18-48,425.04

Finding the Fourth Proportional to 86,148.36, 118,890.18 and 48,425.04

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Solution

The fourth proportional to 86,148.36, 118,890.18 and 48,425.04 is: 66,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.36 : 118,890.18 = 48,425.04 : x
  2. Step 2: Convert to fraction form
    86,148.36/118,890.18 = 48,425.04/x
  3. Step 3: Cross multiply
    86,148.36x = 118,890.18 × 48,425.04
  4. Step 4: Simplify right side
    86,148.36x = 5,757,261,722.11
  5. Step 5: Solve for x
    x = 5,757,261,722.11/86,148.36
  6. Step 6: Final answer
    x = 66,829.61

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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.