Home / 65,880.36-98,830.17-19,127.16

Finding the Fourth Proportional to 65,880.36, 98,830.17 and 19,127.16

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Solution

The fourth proportional to 65,880.36, 98,830.17 and 19,127.16 is: 28,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880.36 : 98,830.17 = 19,127.16 : x
  2. Step 2: Convert to fraction form
    65,880.36/98,830.17 = 19,127.16/x
  3. Step 3: Cross multiply
    65,880.36x = 98,830.17 × 19,127.16
  4. Step 4: Simplify right side
    65,880.36x = 1,890,340,474.42
  5. Step 5: Solve for x
    x = 1,890,340,474.42/65,880.36
  6. Step 6: Final answer
    x = 28,693.54

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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.