Home / 65,192.02-89,961.87-40,036.66

Finding the Fourth Proportional to 65,192.02, 89,961.87 and 40,036.66

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Solution

The fourth proportional to 65,192.02, 89,961.87 and 40,036.66 is: 55,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192.02 : 89,961.87 = 40,036.66 : x
  2. Step 2: Convert to fraction form
    65,192.02/89,961.87 = 40,036.66/x
  3. Step 3: Cross multiply
    65,192.02x = 89,961.87 × 40,036.66
  4. Step 4: Simplify right side
    65,192.02x = 3,601,772,727.39
  5. Step 5: Solve for x
    x = 3,601,772,727.39/65,192.02
  6. Step 6: Final answer
    x = 55,248.68

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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.