Home / 84,389.28-116,453.40-46,147.80

Finding the Fourth Proportional to 84,389.28, 116,453.40 and 46,147.80

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Solution

The fourth proportional to 84,389.28, 116,453.40 and 46,147.80 is: 63,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.28 : 116,453.40 = 46,147.80 : x
  2. Step 2: Convert to fraction form
    84,389.28/116,453.40 = 46,147.80/x
  3. Step 3: Cross multiply
    84,389.28x = 116,453.40 × 46,147.80
  4. Step 4: Simplify right side
    84,389.28x = 5,374,068,212.52
  5. Step 5: Solve for x
    x = 5,374,068,212.52/84,389.28
  6. Step 6: Final answer
    x = 63,681.88

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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.