Home / 52,269.24-72,130.68-28,396.28

Finding the Fourth Proportional to 52,269.24, 72,130.68 and 28,396.28

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Solution

The fourth proportional to 52,269.24, 72,130.68 and 28,396.28 is: 39,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,269.24 : 72,130.68 = 28,396.28 : x
  2. Step 2: Convert to fraction form
    52,269.24/72,130.68 = 28,396.28/x
  3. Step 3: Cross multiply
    52,269.24x = 72,130.68 × 28,396.28
  4. Step 4: Simplify right side
    52,269.24x = 2,048,242,985.87
  5. Step 5: Solve for x
    x = 2,048,242,985.87/52,269.24
  6. Step 6: Final answer
    x = 39,186.39

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1.5x scale

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.