Home / 117,869.04-162,654.30-64,154.16

Finding the Fourth Proportional to 117,869.04, 162,654.30 and 64,154.16

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Solution

The fourth proportional to 117,869.04, 162,654.30 and 64,154.16 is: 88,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.04 : 162,654.30 = 64,154.16 : x
  2. Step 2: Convert to fraction form
    117,869.04/162,654.30 = 64,154.16/x
  3. Step 3: Cross multiply
    117,869.04x = 162,654.30 × 64,154.16
  4. Step 4: Simplify right side
    117,869.04x = 10,434,949,986.89
  5. Step 5: Solve for x
    x = 10,434,949,986.89/117,869.04
  6. Step 6: Final answer
    x = 88,530.03

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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.