Home / 112,457.22-168,602.51-68,073.48

Finding the Fourth Proportional to 112,457.22, 168,602.51 and 68,073.48

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Solution

The fourth proportional to 112,457.22, 168,602.51 and 68,073.48 is: 102,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,457.22 : 168,602.51 = 68,073.48 : x
  2. Step 2: Convert to fraction form
    112,457.22/168,602.51 = 68,073.48/x
  3. Step 3: Cross multiply
    112,457.22x = 168,602.51 × 68,073.48
  4. Step 4: Simplify right side
    112,457.22x = 11,477,359,252.07
  5. Step 5: Solve for x
    x = 11,477,359,252.07/112,457.22
  6. Step 6: Final answer
    x = 102,059.78

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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.