Home / 142,050.58-213,020.48-53,255.62

Finding the Fourth Proportional to 142,050.58, 213,020.48 and 53,255.62

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Solution

The fourth proportional to 142,050.58, 213,020.48 and 53,255.62 is: 79,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,050.58 : 213,020.48 = 53,255.62 : x
  2. Step 2: Convert to fraction form
    142,050.58/213,020.48 = 53,255.62/x
  3. Step 3: Cross multiply
    142,050.58x = 213,020.48 × 53,255.62
  4. Step 4: Simplify right side
    142,050.58x = 11,344,537,735.10
  5. Step 5: Solve for x
    x = 11,344,537,735.10/142,050.58
  6. Step 6: Final answer
    x = 79,862.66

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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.