Home / 65,983.68-98,915.40-34,356.51

Finding the Fourth Proportional to 65,983.68, 98,915.40 and 34,356.51

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Solution

The fourth proportional to 65,983.68, 98,915.40 and 34,356.51 is: 51,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983.68 : 98,915.40 = 34,356.51 : x
  2. Step 2: Convert to fraction form
    65,983.68/98,915.40 = 34,356.51/x
  3. Step 3: Cross multiply
    65,983.68x = 98,915.40 × 34,356.51
  4. Step 4: Simplify right side
    65,983.68x = 3,398,387,929.25
  5. Step 5: Solve for x
    x = 3,398,387,929.25/65,983.68
  6. Step 6: Final answer
    x = 51,503.46

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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.