Home / 52,290.99-72,160.34-29,319.28

Finding the Fourth Proportional to 52,290.99, 72,160.34 and 29,319.28

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Solution

The fourth proportional to 52,290.99, 72,160.34 and 29,319.28 is: 40,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.99 : 72,160.34 = 29,319.28 : x
  2. Step 2: Convert to fraction form
    52,290.99/72,160.34 = 29,319.28/x
  3. Step 3: Cross multiply
    52,290.99x = 72,160.34 × 29,319.28
  4. Step 4: Simplify right side
    52,290.99x = 2,115,689,213.36
  5. Step 5: Solve for x
    x = 2,115,689,213.36/52,290.99
  6. Step 6: Final answer
    x = 40,459.92

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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.