Home / 104,729.48-144,528.16-56,982.86

Finding the Fourth Proportional to 104,729.48, 144,528.16 and 56,982.86

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Solution

The fourth proportional to 104,729.48, 144,528.16 and 56,982.86 is: 78,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,729.48 : 144,528.16 = 56,982.86 : x
  2. Step 2: Convert to fraction form
    104,729.48/144,528.16 = 56,982.86/x
  3. Step 3: Cross multiply
    104,729.48x = 144,528.16 × 56,982.86
  4. Step 4: Simplify right side
    104,729.48x = 8,235,627,907.34
  5. Step 5: Solve for x
    x = 8,235,627,907.34/104,729.48
  6. Step 6: Final answer
    x = 78,637.15

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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.