Home / 77,076.37-106,353.03-46,845.55

Finding the Fourth Proportional to 77,076.37, 106,353.03 and 46,845.55

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Solution

The fourth proportional to 77,076.37, 106,353.03 and 46,845.55 is: 64,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.37 : 106,353.03 = 46,845.55 : x
  2. Step 2: Convert to fraction form
    77,076.37/106,353.03 = 46,845.55/x
  3. Step 3: Cross multiply
    77,076.37x = 106,353.03 × 46,845.55
  4. Step 4: Simplify right side
    77,076.37x = 4,982,166,184.52
  5. Step 5: Solve for x
    x = 4,982,166,184.52/77,076.37
  6. Step 6: Final answer
    x = 64,639.35

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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.