Home / 52,455.26-72,389.09-28,581.93

Finding the Fourth Proportional to 52,455.26, 72,389.09 and 28,581.93

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Solution

The fourth proportional to 52,455.26, 72,389.09 and 28,581.93 is: 39,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.26 : 72,389.09 = 28,581.93 : x
  2. Step 2: Convert to fraction form
    52,455.26/72,389.09 = 28,581.93/x
  3. Step 3: Cross multiply
    52,455.26x = 72,389.09 × 28,581.93
  4. Step 4: Simplify right side
    52,455.26x = 2,069,019,974.60
  5. Step 5: Solve for x
    x = 2,069,019,974.60/52,455.26
  6. Step 6: Final answer
    x = 39,443.52

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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.