Home / 122,439.60-183,699.10-60,066.36

Finding the Fourth Proportional to 122,439.60, 183,699.10 and 60,066.36

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Solution

The fourth proportional to 122,439.60, 183,699.10 and 60,066.36 is: 90,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,439.60 : 183,699.10 = 60,066.36 : x
  2. Step 2: Convert to fraction form
    122,439.60/183,699.10 = 60,066.36/x
  3. Step 3: Cross multiply
    122,439.60x = 183,699.10 × 60,066.36
  4. Step 4: Simplify right side
    122,439.60x = 11,034,136,272.28
  5. Step 5: Solve for x
    x = 11,034,136,272.28/122,439.60
  6. Step 6: Final answer
    x = 90,119.02

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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.