Home / 85,110.10-127,622.40-49,583.14

Finding the Fourth Proportional to 85,110.10, 127,622.40 and 49,583.14

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Solution

The fourth proportional to 85,110.10, 127,622.40 and 49,583.14 is: 74,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,110.10 : 127,622.40 = 49,583.14 : x
  2. Step 2: Convert to fraction form
    85,110.10/127,622.40 = 49,583.14/x
  3. Step 3: Cross multiply
    85,110.10x = 127,622.40 × 49,583.14
  4. Step 4: Simplify right side
    85,110.10x = 6,327,919,326.34
  5. Step 5: Solve for x
    x = 6,327,919,326.34/85,110.10
  6. Step 6: Final answer
    x = 74,349.80

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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.