Home / 104,102.16-156,129.93-47,888.34

Finding the Fourth Proportional to 104,102.16, 156,129.93 and 47,888.34

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Solution

The fourth proportional to 104,102.16, 156,129.93 and 47,888.34 is: 71,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.16 : 156,129.93 = 47,888.34 : x
  2. Step 2: Convert to fraction form
    104,102.16/156,129.93 = 47,888.34/x
  3. Step 3: Cross multiply
    104,102.16x = 156,129.93 × 47,888.34
  4. Step 4: Simplify right side
    104,102.16x = 7,476,803,172.02
  5. Step 5: Solve for x
    x = 7,476,803,172.02/104,102.16
  6. Step 6: Final answer
    x = 71,821.79

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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.