Home / 55,885.40-83,828.10-49,664.60

Finding the Fourth Proportional to 55,885.40, 83,828.10 and 49,664.60

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Solution

The fourth proportional to 55,885.40, 83,828.10 and 49,664.60 is: 74,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885.40 : 83,828.10 = 49,664.60 : x
  2. Step 2: Convert to fraction form
    55,885.40/83,828.10 = 49,664.60/x
  3. Step 3: Cross multiply
    55,885.40x = 83,828.10 × 49,664.60
  4. Step 4: Simplify right side
    55,885.40x = 4,163,289,055.26
  5. Step 5: Solve for x
    x = 4,163,289,055.26/55,885.40
  6. Step 6: Final answer
    x = 74,496.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.