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Finding the Fourth Proportional to 64,398.02, 88,869.99 and 35,718.24

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Solution

The fourth proportional to 64,398.02, 88,869.99 and 35,718.24 is: 49,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.02 : 88,869.99 = 35,718.24 : x
  2. Step 2: Convert to fraction form
    64,398.02/88,869.99 = 35,718.24/x
  3. Step 3: Cross multiply
    64,398.02x = 88,869.99 × 35,718.24
  4. Step 4: Simplify right side
    64,398.02x = 3,174,280,098.82
  5. Step 5: Solve for x
    x = 3,174,280,098.82/64,398.02
  6. Step 6: Final answer
    x = 49,291.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.