Home / 122,829.56-183,949.08-70,079.12

Finding the Fourth Proportional to 122,829.56, 183,949.08 and 70,079.12

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Solution

The fourth proportional to 122,829.56, 183,949.08 and 70,079.12 is: 104,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,829.56 : 183,949.08 = 70,079.12 : x
  2. Step 2: Convert to fraction form
    122,829.56/183,949.08 = 70,079.12/x
  3. Step 3: Cross multiply
    122,829.56x = 183,949.08 × 70,079.12
  4. Step 4: Simplify right side
    122,829.56x = 12,890,988,731.46
  5. Step 5: Solve for x
    x = 12,890,988,731.46/122,829.56
  6. Step 6: Final answer
    x = 104,950.22

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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.