Home / 117,816.50-162,585.51-70,068.80

Finding the Fourth Proportional to 117,816.50, 162,585.51 and 70,068.80

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Solution

The fourth proportional to 117,816.50, 162,585.51 and 70,068.80 is: 96,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816.50 : 162,585.51 = 70,068.80 : x
  2. Step 2: Convert to fraction form
    117,816.50/162,585.51 = 70,068.80/x
  3. Step 3: Cross multiply
    117,816.50x = 162,585.51 × 70,068.80
  4. Step 4: Simplify right side
    117,816.50x = 11,392,171,583.09
  5. Step 5: Solve for x
    x = 11,392,171,583.09/117,816.50
  6. Step 6: Final answer
    x = 96,694.19

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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.