Home / 89,040.10-133,634.31-46,935.30

Finding the Fourth Proportional to 89,040.10, 133,634.31 and 46,935.30

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Solution

The fourth proportional to 89,040.10, 133,634.31 and 46,935.30 is: 70,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.10 : 133,634.31 = 46,935.30 : x
  2. Step 2: Convert to fraction form
    89,040.10/133,634.31 = 46,935.30/x
  3. Step 3: Cross multiply
    89,040.10x = 133,634.31 × 46,935.30
  4. Step 4: Simplify right side
    89,040.10x = 6,272,166,430.14
  5. Step 5: Solve for x
    x = 6,272,166,430.14/89,040.10
  6. Step 6: Final answer
    x = 70,442.04

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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.