Home / 84,390.42-116,488.10-48,594.69

Finding the Fourth Proportional to 84,390.42, 116,488.10 and 48,594.69

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Solution

The fourth proportional to 84,390.42, 116,488.10 and 48,594.69 is: 67,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,390.42 : 116,488.10 = 48,594.69 : x
  2. Step 2: Convert to fraction form
    84,390.42/116,488.10 = 48,594.69/x
  3. Step 3: Cross multiply
    84,390.42x = 116,488.10 × 48,594.69
  4. Step 4: Simplify right side
    84,390.42x = 5,660,703,399.41
  5. Step 5: Solve for x
    x = 5,660,703,399.41/84,390.42
  6. Step 6: Final answer
    x = 67,077.56

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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.