Home / 74,435.02-102,720.31-40,901.02

Finding the Fourth Proportional to 74,435.02, 102,720.31 and 40,901.02

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Solution

The fourth proportional to 74,435.02, 102,720.31 and 40,901.02 is: 56,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.02 : 102,720.31 = 40,901.02 : x
  2. Step 2: Convert to fraction form
    74,435.02/102,720.31 = 40,901.02/x
  3. Step 3: Cross multiply
    74,435.02x = 102,720.31 × 40,901.02
  4. Step 4: Simplify right side
    74,435.02x = 4,201,365,453.72
  5. Step 5: Solve for x
    x = 4,201,365,453.72/74,435.02
  6. Step 6: Final answer
    x = 56,443.40

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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.