Home / 117,033.74-161,506.57-63,318.72

Finding the Fourth Proportional to 117,033.74, 161,506.57 and 63,318.72

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Solution

The fourth proportional to 117,033.74, 161,506.57 and 63,318.72 is: 87,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,033.74 : 161,506.57 = 63,318.72 : x
  2. Step 2: Convert to fraction form
    117,033.74/161,506.57 = 63,318.72/x
  3. Step 3: Cross multiply
    117,033.74x = 161,506.57 × 63,318.72
  4. Step 4: Simplify right side
    117,033.74x = 10,226,389,283.99
  5. Step 5: Solve for x
    x = 10,226,389,283.99/117,033.74
  6. Step 6: Final answer
    x = 87,379.84

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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.