Home / 74,886.96-103,342.02-40,896.36

Finding the Fourth Proportional to 74,886.96, 103,342.02 and 40,896.36

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Solution

The fourth proportional to 74,886.96, 103,342.02 and 40,896.36 is: 56,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.96 : 103,342.02 = 40,896.36 : x
  2. Step 2: Convert to fraction form
    74,886.96/103,342.02 = 40,896.36/x
  3. Step 3: Cross multiply
    74,886.96x = 103,342.02 × 40,896.36
  4. Step 4: Simplify right side
    74,886.96x = 4,226,312,453.05
  5. Step 5: Solve for x
    x = 4,226,312,453.05/74,886.96
  6. Step 6: Final answer
    x = 56,435.89

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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.