Home / 104,035.59-143,528.27-60,420.72

Finding the Fourth Proportional to 104,035.59, 143,528.27 and 60,420.72

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Solution

The fourth proportional to 104,035.59, 143,528.27 and 60,420.72 is: 83,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,035.59 : 143,528.27 = 60,420.72 : x
  2. Step 2: Convert to fraction form
    104,035.59/143,528.27 = 60,420.72/x
  3. Step 3: Cross multiply
    104,035.59x = 143,528.27 × 60,420.72
  4. Step 4: Simplify right side
    104,035.59x = 8,672,080,394.01
  5. Step 5: Solve for x
    x = 8,672,080,394.01/104,035.59
  6. Step 6: Final answer
    x = 83,356.86

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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.