Home / 118,104.03-162,988.67-64,392.12

Finding the Fourth Proportional to 118,104.03, 162,988.67 and 64,392.12

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Solution

The fourth proportional to 118,104.03, 162,988.67 and 64,392.12 is: 88,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104.03 : 162,988.67 = 64,392.12 : x
  2. Step 2: Convert to fraction form
    118,104.03/162,988.67 = 64,392.12/x
  3. Step 3: Cross multiply
    118,104.03x = 162,988.67 × 64,392.12
  4. Step 4: Simplify right side
    118,104.03x = 10,495,186,158.26
  5. Step 5: Solve for x
    x = 10,495,186,158.26/118,104.03
  6. Step 6: Final answer
    x = 88,863.91

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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.