Home / 52,529.10-72,490.04-28,655.78

Finding the Fourth Proportional to 52,529.10, 72,490.04 and 28,655.78

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Solution

The fourth proportional to 52,529.10, 72,490.04 and 28,655.78 is: 39,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,529.10 : 72,490.04 = 28,655.78 : x
  2. Step 2: Convert to fraction form
    52,529.10/72,490.04 = 28,655.78/x
  3. Step 3: Cross multiply
    52,529.10x = 72,490.04 × 28,655.78
  4. Step 4: Simplify right side
    52,529.10x = 2,077,258,638.43
  5. Step 5: Solve for x
    x = 2,077,258,638.43/52,529.10
  6. Step 6: Final answer
    x = 39,544.91

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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.