Home / 92,407.07-127,512.27-68,220.87

Finding the Fourth Proportional to 92,407.07, 127,512.27 and 68,220.87

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Solution

The fourth proportional to 92,407.07, 127,512.27 and 68,220.87 is: 94,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,407.07 : 127,512.27 = 68,220.87 : x
  2. Step 2: Convert to fraction form
    92,407.07/127,512.27 = 68,220.87/x
  3. Step 3: Cross multiply
    92,407.07x = 127,512.27 × 68,220.87
  4. Step 4: Simplify right side
    92,407.07x = 8,698,997,995.07
  5. Step 5: Solve for x
    x = 8,698,997,995.07/92,407.07
  6. Step 6: Final answer
    x = 94,137.80

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1.5x scale

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.