Home / 92,143.44-127,120.32-58,140.36

Finding the Fourth Proportional to 92,143.44, 127,120.32 and 58,140.36

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Solution

The fourth proportional to 92,143.44, 127,120.32 and 58,140.36 is: 80,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,143.44 : 127,120.32 = 58,140.36 : x
  2. Step 2: Convert to fraction form
    92,143.44/127,120.32 = 58,140.36/x
  3. Step 3: Cross multiply
    92,143.44x = 127,120.32 × 58,140.36
  4. Step 4: Simplify right side
    92,143.44x = 7,390,821,168.12
  5. Step 5: Solve for x
    x = 7,390,821,168.12/92,143.44
  6. Step 6: Final answer
    x = 80,209.95

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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.