Home / 77,076.04-106,378.47-44,820.64

Finding the Fourth Proportional to 77,076.04, 106,378.47 and 44,820.64

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Solution

The fourth proportional to 77,076.04, 106,378.47 and 44,820.64 is: 61,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.04 : 106,378.47 = 44,820.64 : x
  2. Step 2: Convert to fraction form
    77,076.04/106,378.47 = 44,820.64/x
  3. Step 3: Cross multiply
    77,076.04x = 106,378.47 × 44,820.64
  4. Step 4: Simplify right side
    77,076.04x = 4,767,951,107.62
  5. Step 5: Solve for x
    x = 4,767,951,107.62/77,076.04
  6. Step 6: Final answer
    x = 61,860.35

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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.