Home / 107,078.88-147,777.28-59,336.80

Finding the Fourth Proportional to 107,078.88, 147,777.28 and 59,336.80

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Solution

The fourth proportional to 107,078.88, 147,777.28 and 59,336.80 is: 81,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,078.88 : 147,777.28 = 59,336.80 : x
  2. Step 2: Convert to fraction form
    107,078.88/147,777.28 = 59,336.80/x
  3. Step 3: Cross multiply
    107,078.88x = 147,777.28 × 59,336.80
  4. Step 4: Simplify right side
    107,078.88x = 8,768,630,907.90
  5. Step 5: Solve for x
    x = 8,768,630,907.90/107,078.88
  6. Step 6: Final answer
    x = 81,889.45

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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.