Home / 85,152.07-127,743.15-35,204.18

Finding the Fourth Proportional to 85,152.07, 127,743.15 and 35,204.18

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Solution

The fourth proportional to 85,152.07, 127,743.15 and 35,204.18 is: 52,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152.07 : 127,743.15 = 35,204.18 : x
  2. Step 2: Convert to fraction form
    85,152.07/127,743.15 = 35,204.18/x
  3. Step 3: Cross multiply
    85,152.07x = 127,743.15 × 35,204.18
  4. Step 4: Simplify right side
    85,152.07x = 4,497,092,846.37
  5. Step 5: Solve for x
    x = 4,497,092,846.37/85,152.07
  6. Step 6: Final answer
    x = 52,812.49

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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.