Home / 74,564.40-102,898.08-40,573.92

Finding the Fourth Proportional to 74,564.40, 102,898.08 and 40,573.92

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Solution

The fourth proportional to 74,564.40, 102,898.08 and 40,573.92 is: 55,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.40 : 102,898.08 = 40,573.92 : x
  2. Step 2: Convert to fraction form
    74,564.40/102,898.08 = 40,573.92/x
  3. Step 3: Cross multiply
    74,564.40x = 102,898.08 × 40,573.92
  4. Step 4: Simplify right side
    74,564.40x = 4,174,978,466.07
  5. Step 5: Solve for x
    x = 4,174,978,466.07/74,564.40
  6. Step 6: Final answer
    x = 55,991.58

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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.