Home / 40,112.16-60,255.27-31,364.16

Finding the Fourth Proportional to 40,112.16, 60,255.27 and 31,364.16

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Solution

The fourth proportional to 40,112.16, 60,255.27 and 31,364.16 is: 47,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.16 : 60,255.27 = 31,364.16 : x
  2. Step 2: Convert to fraction form
    40,112.16/60,255.27 = 31,364.16/x
  3. Step 3: Cross multiply
    40,112.16x = 60,255.27 × 31,364.16
  4. Step 4: Simplify right side
    40,112.16x = 1,889,855,929.12
  5. Step 5: Solve for x
    x = 1,889,855,929.12/40,112.16
  6. Step 6: Final answer
    x = 47,114.29

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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.