Home / 74,256.70-102,464.80-42,427.66

Finding the Fourth Proportional to 74,256.70, 102,464.80 and 42,427.66

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Solution

The fourth proportional to 74,256.70, 102,464.80 and 42,427.66 is: 58,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.70 : 102,464.80 = 42,427.66 : x
  2. Step 2: Convert to fraction form
    74,256.70/102,464.80 = 42,427.66/x
  3. Step 3: Cross multiply
    74,256.70x = 102,464.80 × 42,427.66
  4. Step 4: Simplify right side
    74,256.70x = 4,347,341,696.37
  5. Step 5: Solve for x
    x = 4,347,341,696.37/74,256.70
  6. Step 6: Final answer
    x = 58,544.77

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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.