Home / 77,392.35-106,756.19-48,666.54

Finding the Fourth Proportional to 77,392.35, 106,756.19 and 48,666.54

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Solution

The fourth proportional to 77,392.35, 106,756.19 and 48,666.54 is: 67,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.35 : 106,756.19 = 48,666.54 : x
  2. Step 2: Convert to fraction form
    77,392.35/106,756.19 = 48,666.54/x
  3. Step 3: Cross multiply
    77,392.35x = 106,756.19 × 48,666.54
  4. Step 4: Simplify right side
    77,392.35x = 5,195,454,147.55
  5. Step 5: Solve for x
    x = 5,195,454,147.55/77,392.35
  6. Step 6: Final answer
    x = 67,131.37

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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.