Home / 117,986.65-162,822.02-64,271.16

Finding the Fourth Proportional to 117,986.65, 162,822.02 and 64,271.16

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Solution

The fourth proportional to 117,986.65, 162,822.02 and 64,271.16 is: 88,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,986.65 : 162,822.02 = 64,271.16 : x
  2. Step 2: Convert to fraction form
    117,986.65/162,822.02 = 64,271.16/x
  3. Step 3: Cross multiply
    117,986.65x = 162,822.02 × 64,271.16
  4. Step 4: Simplify right side
    117,986.65x = 10,464,759,777.59
  5. Step 5: Solve for x
    x = 10,464,759,777.59/117,986.65
  6. Step 6: Final answer
    x = 88,694.44

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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.