Home / 117,621.90-162,319.23-63,907.02

Finding the Fourth Proportional to 117,621.90, 162,319.23 and 63,907.02

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Solution

The fourth proportional to 117,621.90, 162,319.23 and 63,907.02 is: 88,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.90 : 162,319.23 = 63,907.02 : x
  2. Step 2: Convert to fraction form
    117,621.90/162,319.23 = 63,907.02/x
  3. Step 3: Cross multiply
    117,621.90x = 162,319.23 × 63,907.02
  4. Step 4: Simplify right side
    117,621.90x = 10,373,338,277.99
  5. Step 5: Solve for x
    x = 10,373,338,277.99/117,621.90
  6. Step 6: Final answer
    x = 88,192.24

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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.