Home / 86,178.33-118,925.80-48,452.58

Finding the Fourth Proportional to 86,178.33, 118,925.80 and 48,452.58

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Solution

The fourth proportional to 86,178.33, 118,925.80 and 48,452.58 is: 66,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,178.33 : 118,925.80 = 48,452.58 : x
  2. Step 2: Convert to fraction form
    86,178.33/118,925.80 = 48,452.58/x
  3. Step 3: Cross multiply
    86,178.33x = 118,925.80 × 48,452.58
  4. Step 4: Simplify right side
    86,178.33x = 5,762,261,717.43
  5. Step 5: Solve for x
    x = 5,762,261,717.43/86,178.33
  6. Step 6: Final answer
    x = 66,864.39

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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.