Home / 86,621.64-119,537.86-48,898.32

Finding the Fourth Proportional to 86,621.64, 119,537.86 and 48,898.32

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Solution

The fourth proportional to 86,621.64, 119,537.86 and 48,898.32 is: 67,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621.64 : 119,537.86 = 48,898.32 : x
  2. Step 2: Convert to fraction form
    86,621.64/119,537.86 = 48,898.32/x
  3. Step 3: Cross multiply
    86,621.64x = 119,537.86 × 48,898.32
  4. Step 4: Simplify right side
    86,621.64x = 5,845,200,530.40
  5. Step 5: Solve for x
    x = 5,845,200,530.40/86,621.64
  6. Step 6: Final answer
    x = 67,479.68

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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.