Home / 85,583.04-128,381.04-23,252.64

Finding the Fourth Proportional to 85,583.04, 128,381.04 and 23,252.64

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Solution

The fourth proportional to 85,583.04, 128,381.04 and 23,252.64 is: 34,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,583.04 : 128,381.04 = 23,252.64 : x
  2. Step 2: Convert to fraction form
    85,583.04/128,381.04 = 23,252.64/x
  3. Step 3: Cross multiply
    85,583.04x = 128,381.04 × 23,252.64
  4. Step 4: Simplify right side
    85,583.04x = 2,985,198,105.95
  5. Step 5: Solve for x
    x = 2,985,198,105.95/85,583.04
  6. Step 6: Final answer
    x = 34,880.72

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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.