Home / 53,030.90-73,175.60-32,880.43

Finding the Fourth Proportional to 53,030.90, 73,175.60 and 32,880.43

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Solution

The fourth proportional to 53,030.90, 73,175.60 and 32,880.43 is: 45,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.90 : 73,175.60 = 32,880.43 : x
  2. Step 2: Convert to fraction form
    53,030.90/73,175.60 = 32,880.43/x
  3. Step 3: Cross multiply
    53,030.90x = 73,175.60 × 32,880.43
  4. Step 4: Simplify right side
    53,030.90x = 2,406,045,367.18
  5. Step 5: Solve for x
    x = 2,406,045,367.18/53,030.90
  6. Step 6: Final answer
    x = 45,370.63

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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.