Home / 84,390.28-116,454.78-46,148.80

Finding the Fourth Proportional to 84,390.28, 116,454.78 and 46,148.80

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Solution

The fourth proportional to 84,390.28, 116,454.78 and 46,148.80 is: 63,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,390.28 : 116,454.78 = 46,148.80 : x
  2. Step 2: Convert to fraction form
    84,390.28/116,454.78 = 46,148.80/x
  3. Step 3: Cross multiply
    84,390.28x = 116,454.78 × 46,148.80
  4. Step 4: Simplify right side
    84,390.28x = 5,374,248,351.26
  5. Step 5: Solve for x
    x = 5,374,248,351.26/84,390.28
  6. Step 6: Final answer
    x = 63,683.26

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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.