Home / 85,144.61-127,732.41-35,197.58

Finding the Fourth Proportional to 85,144.61, 127,732.41 and 35,197.58

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Solution

The fourth proportional to 85,144.61, 127,732.41 and 35,197.58 is: 52,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,144.61 : 127,732.41 = 35,197.58 : x
  2. Step 2: Convert to fraction form
    85,144.61/127,732.41 = 35,197.58/x
  3. Step 3: Cross multiply
    85,144.61x = 127,732.41 × 35,197.58
  4. Step 4: Simplify right side
    85,144.61x = 4,495,872,038.90
  5. Step 5: Solve for x
    x = 4,495,872,038.90/85,144.61
  6. Step 6: Final answer
    x = 52,802.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.