Home / 52,513.12-72,466.52-28,640.26

Finding the Fourth Proportional to 52,513.12, 72,466.52 and 28,640.26

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Solution

The fourth proportional to 52,513.12, 72,466.52 and 28,640.26 is: 39,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.12 : 72,466.52 = 28,640.26 : x
  2. Step 2: Convert to fraction form
    52,513.12/72,466.52 = 28,640.26/x
  3. Step 3: Cross multiply
    52,513.12x = 72,466.52 × 28,640.26
  4. Step 4: Simplify right side
    52,513.12x = 2,075,459,974.10
  5. Step 5: Solve for x
    x = 2,075,459,974.10/52,513.12
  6. Step 6: Final answer
    x = 39,522.69

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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.