Home / 118,031.90-162,881.94-64,317.26

Finding the Fourth Proportional to 118,031.90, 162,881.94 and 64,317.26

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Solution

The fourth proportional to 118,031.90, 162,881.94 and 64,317.26 is: 88,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,031.90 : 162,881.94 = 64,317.26 : x
  2. Step 2: Convert to fraction form
    118,031.90/162,881.94 = 64,317.26/x
  3. Step 3: Cross multiply
    118,031.90x = 162,881.94 × 64,317.26
  4. Step 4: Simplify right side
    118,031.90x = 10,476,120,084.28
  5. Step 5: Solve for x
    x = 10,476,120,084.28/118,031.90
  6. Step 6: Final answer
    x = 88,756.68

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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.