Home / 86,569.21-119,465.63-48,846.97

Finding the Fourth Proportional to 86,569.21, 119,465.63 and 48,846.97

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Solution

The fourth proportional to 86,569.21, 119,465.63 and 48,846.97 is: 67,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.21 : 119,465.63 = 48,846.97 : x
  2. Step 2: Convert to fraction form
    86,569.21/119,465.63 = 48,846.97/x
  3. Step 3: Cross multiply
    86,569.21x = 119,465.63 × 48,846.97
  4. Step 4: Simplify right side
    86,569.21x = 5,835,534,044.64
  5. Step 5: Solve for x
    x = 5,835,534,044.64/86,569.21
  6. Step 6: Final answer
    x = 67,408.89

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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.