Home / 117,788.51-162,511.46-66,797.24

Finding the Fourth Proportional to 117,788.51, 162,511.46 and 66,797.24

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Solution

The fourth proportional to 117,788.51, 162,511.46 and 66,797.24 is: 92,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,788.51 : 162,511.46 = 66,797.24 : x
  2. Step 2: Convert to fraction form
    117,788.51/162,511.46 = 66,797.24/x
  3. Step 3: Cross multiply
    117,788.51x = 162,511.46 × 66,797.24
  4. Step 4: Simplify right side
    117,788.51x = 10,855,316,350.81
  5. Step 5: Solve for x
    x = 10,855,316,350.81/117,788.51
  6. Step 6: Final answer
    x = 92,159.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.