Home / 52,515.22-78,702.47-49,152.19

Finding the Fourth Proportional to 52,515.22, 78,702.47 and 49,152.19

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Solution

The fourth proportional to 52,515.22, 78,702.47 and 49,152.19 is: 73,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.22 : 78,702.47 = 49,152.19 : x
  2. Step 2: Convert to fraction form
    52,515.22/78,702.47 = 49,152.19/x
  3. Step 3: Cross multiply
    52,515.22x = 78,702.47 × 49,152.19
  4. Step 4: Simplify right side
    52,515.22x = 3,868,398,758.91
  5. Step 5: Solve for x
    x = 3,868,398,758.91/52,515.22
  6. Step 6: Final answer
    x = 73,662.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.