Home / 65,787.24-98,705.64-39,510.30

Finding the Fourth Proportional to 65,787.24, 98,705.64 and 39,510.30

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Solution

The fourth proportional to 65,787.24, 98,705.64 and 39,510.30 is: 59,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787.24 : 98,705.64 = 39,510.30 : x
  2. Step 2: Convert to fraction form
    65,787.24/98,705.64 = 39,510.30/x
  3. Step 3: Cross multiply
    65,787.24x = 98,705.64 × 39,510.30
  4. Step 4: Simplify right side
    65,787.24x = 3,899,889,448.09
  5. Step 5: Solve for x
    x = 3,899,889,448.09/65,787.24
  6. Step 6: Final answer
    x = 59,280.33

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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.