Home / 118,026.90-162,875.43-67,039.02

Finding the Fourth Proportional to 118,026.90, 162,875.43 and 67,039.02

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Solution

The fourth proportional to 118,026.90, 162,875.43 and 67,039.02 is: 92,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026.90 : 162,875.43 = 67,039.02 : x
  2. Step 2: Convert to fraction form
    118,026.90/162,875.43 = 67,039.02/x
  3. Step 3: Cross multiply
    118,026.90x = 162,875.43 × 67,039.02
  4. Step 4: Simplify right side
    118,026.90x = 10,919,009,209.28
  5. Step 5: Solve for x
    x = 10,919,009,209.28/118,026.90
  6. Step 6: Final answer
    x = 92,512.89

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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.