Home / 113,070.68-169,606-66,298.04

Finding the Fourth Proportional to 113,070.68, 169,606 and 66,298.04

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Solution

The fourth proportional to 113,070.68, 169,606 and 66,298.04 is: 99,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,070.68 : 169,606 = 66,298.04 : x
  2. Step 2: Convert to fraction form
    113,070.68/169,606 = 66,298.04/x
  3. Step 3: Cross multiply
    113,070.68x = 169,606 × 66,298.04
  4. Step 4: Simplify right side
    113,070.68x = 11,244,545,372.24
  5. Step 5: Solve for x
    x = 11,244,545,372.24/113,070.68
  6. Step 6: Final answer
    x = 99,447.05

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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.