Home / 55,400.48-83,174.52-47,133.62

Finding the Fourth Proportional to 55,400.48, 83,174.52 and 47,133.62

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Solution

The fourth proportional to 55,400.48, 83,174.52 and 47,133.62 is: 70,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.48 : 83,174.52 = 47,133.62 : x
  2. Step 2: Convert to fraction form
    55,400.48/83,174.52 = 47,133.62/x
  3. Step 3: Cross multiply
    55,400.48x = 83,174.52 × 47,133.62
  4. Step 4: Simplify right side
    55,400.48x = 3,920,316,219.36
  5. Step 5: Solve for x
    x = 3,920,316,219.36/55,400.48
  6. Step 6: Final answer
    x = 70,763.22

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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.