Home / 92,511.12-127,720.35-60,735.72

Finding the Fourth Proportional to 92,511.12, 127,720.35 and 60,735.72

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Solution

The fourth proportional to 92,511.12, 127,720.35 and 60,735.72 is: 83,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,511.12 : 127,720.35 = 60,735.72 : x
  2. Step 2: Convert to fraction form
    92,511.12/127,720.35 = 60,735.72/x
  3. Step 3: Cross multiply
    92,511.12x = 127,720.35 × 60,735.72
  4. Step 4: Simplify right side
    92,511.12x = 7,757,187,415.90
  5. Step 5: Solve for x
    x = 7,757,187,415.90/92,511.12
  6. Step 6: Final answer
    x = 83,851.41

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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.