Home / 55,722.48-83,583.72-47,013.36

Finding the Fourth Proportional to 55,722.48, 83,583.72 and 47,013.36

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Solution

The fourth proportional to 55,722.48, 83,583.72 and 47,013.36 is: 70,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.48 : 83,583.72 = 47,013.36 : x
  2. Step 2: Convert to fraction form
    55,722.48/83,583.72 = 47,013.36/x
  3. Step 3: Cross multiply
    55,722.48x = 83,583.72 × 47,013.36
  4. Step 4: Simplify right side
    55,722.48x = 3,929,551,518.50
  5. Step 5: Solve for x
    x = 3,929,551,518.50/55,722.48
  6. Step 6: Final answer
    x = 70,520.04

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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.