Home / 124,711.44-187,048.48-40,478.72

Finding the Fourth Proportional to 124,711.44, 187,048.48 and 40,478.72

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Solution

The fourth proportional to 124,711.44, 187,048.48 and 40,478.72 is: 60,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,711.44 : 187,048.48 = 40,478.72 : x
  2. Step 2: Convert to fraction form
    124,711.44/187,048.48 = 40,478.72/x
  3. Step 3: Cross multiply
    124,711.44x = 187,048.48 × 40,478.72
  4. Step 4: Simplify right side
    124,711.44x = 7,571,483,048.35
  5. Step 5: Solve for x
    x = 7,571,483,048.35/124,711.44
  6. Step 6: Final answer
    x = 60,712.02

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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.