Home / 86,528.92-119,408.70-48,815.32

Finding the Fourth Proportional to 86,528.92, 119,408.70 and 48,815.32

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Solution

The fourth proportional to 86,528.92, 119,408.70 and 48,815.32 is: 67,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.92 : 119,408.70 = 48,815.32 : x
  2. Step 2: Convert to fraction form
    86,528.92/119,408.70 = 48,815.32/x
  3. Step 3: Cross multiply
    86,528.92x = 119,408.70 × 48,815.32
  4. Step 4: Simplify right side
    86,528.92x = 5,828,973,901.28
  5. Step 5: Solve for x
    x = 5,828,973,901.28/86,528.92
  6. Step 6: Final answer
    x = 67,364.46

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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.