Home / 117,816.38-162,585.34-70,068.68

Finding the Fourth Proportional to 117,816.38, 162,585.34 and 70,068.68

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Solution

The fourth proportional to 117,816.38, 162,585.34 and 70,068.68 is: 96,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816.38 : 162,585.34 = 70,068.68 : x
  2. Step 2: Convert to fraction form
    117,816.38/162,585.34 = 70,068.68/x
  3. Step 3: Cross multiply
    117,816.38x = 162,585.34 × 70,068.68
  4. Step 4: Simplify right side
    117,816.38x = 11,392,139,173.05
  5. Step 5: Solve for x
    x = 11,392,139,173.05/117,816.38
  6. Step 6: Final answer
    x = 96,694.02

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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.