Home / 45,359.54-68,030.43-43,109.16

Finding the Fourth Proportional to 45,359.54, 68,030.43 and 43,109.16

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Solution

The fourth proportional to 45,359.54, 68,030.43 and 43,109.16 is: 64,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,359.54 : 68,030.43 = 43,109.16 : x
  2. Step 2: Convert to fraction form
    45,359.54/68,030.43 = 43,109.16/x
  3. Step 3: Cross multiply
    45,359.54x = 68,030.43 × 43,109.16
  4. Step 4: Simplify right side
    45,359.54x = 2,932,734,900.13
  5. Step 5: Solve for x
    x = 2,932,734,900.13/45,359.54
  6. Step 6: Final answer
    x = 64,655.30

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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.