Home / 86,342.94-119,155.59-48,618.54

Finding the Fourth Proportional to 86,342.94, 119,155.59 and 48,618.54

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Solution

The fourth proportional to 86,342.94, 119,155.59 and 48,618.54 is: 67,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342.94 : 119,155.59 = 48,618.54 : x
  2. Step 2: Convert to fraction form
    86,342.94/119,155.59 = 48,618.54/x
  3. Step 3: Cross multiply
    86,342.94x = 119,155.59 × 48,618.54
  4. Step 4: Simplify right side
    86,342.94x = 5,793,170,818.64
  5. Step 5: Solve for x
    x = 5,793,170,818.64/86,342.94
  6. Step 6: Final answer
    x = 67,094.90

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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.