Home / 64,999.25-97,486.55-31,685.81

Finding the Fourth Proportional to 64,999.25, 97,486.55 and 31,685.81

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Solution

The fourth proportional to 64,999.25, 97,486.55 and 31,685.81 is: 47,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.25 : 97,486.55 = 31,685.81 : x
  2. Step 2: Convert to fraction form
    64,999.25/97,486.55 = 31,685.81/x
  3. Step 3: Cross multiply
    64,999.25x = 97,486.55 × 31,685.81
  4. Step 4: Simplify right side
    64,999.25x = 3,088,940,142.43
  5. Step 5: Solve for x
    x = 3,088,940,142.43/64,999.25
  6. Step 6: Final answer
    x = 47,522.70

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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.