Home / 117,026.16-161,495.88-63,311.24

Finding the Fourth Proportional to 117,026.16, 161,495.88 and 63,311.24

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Solution

The fourth proportional to 117,026.16, 161,495.88 and 63,311.24 is: 87,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,026.16 : 161,495.88 = 63,311.24 : x
  2. Step 2: Convert to fraction form
    117,026.16/161,495.88 = 63,311.24/x
  3. Step 3: Cross multiply
    117,026.16x = 161,495.88 × 63,311.24
  4. Step 4: Simplify right side
    117,026.16x = 10,224,504,417.69
  5. Step 5: Solve for x
    x = 10,224,504,417.69/117,026.16
  6. Step 6: Final answer
    x = 87,369.39

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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.