Home / 104,325.48-143,955.96-61,875.72

Finding the Fourth Proportional to 104,325.48, 143,955.96 and 61,875.72

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Solution

The fourth proportional to 104,325.48, 143,955.96 and 61,875.72 is: 85,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,325.48 : 143,955.96 = 61,875.72 : x
  2. Step 2: Convert to fraction form
    104,325.48/143,955.96 = 61,875.72/x
  3. Step 3: Cross multiply
    104,325.48x = 143,955.96 × 61,875.72
  4. Step 4: Simplify right side
    104,325.48x = 8,907,378,673.29
  5. Step 5: Solve for x
    x = 8,907,378,673.29/104,325.48
  6. Step 6: Final answer
    x = 85,380.66

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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.