Home / 117,497.04-162,147.60-63,782.16

Finding the Fourth Proportional to 117,497.04, 162,147.60 and 63,782.16

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Solution

The fourth proportional to 117,497.04, 162,147.60 and 63,782.16 is: 88,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,497.04 : 162,147.60 = 63,782.16 : x
  2. Step 2: Convert to fraction form
    117,497.04/162,147.60 = 63,782.16/x
  3. Step 3: Cross multiply
    117,497.04x = 162,147.60 × 63,782.16
  4. Step 4: Simplify right side
    117,497.04x = 10,342,124,166.82
  5. Step 5: Solve for x
    x = 10,342,124,166.82/117,497.04
  6. Step 6: Final answer
    x = 88,020.30

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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.