Home / 107,395.35-148,205.75-59,647.47

Finding the Fourth Proportional to 107,395.35, 148,205.75 and 59,647.47

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Solution

The fourth proportional to 107,395.35, 148,205.75 and 59,647.47 is: 82,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,395.35 : 148,205.75 = 59,647.47 : x
  2. Step 2: Convert to fraction form
    107,395.35/148,205.75 = 59,647.47/x
  3. Step 3: Cross multiply
    107,395.35x = 148,205.75 × 59,647.47
  4. Step 4: Simplify right side
    107,395.35x = 8,840,097,728.72
  5. Step 5: Solve for x
    x = 8,840,097,728.72/107,395.35
  6. Step 6: Final answer
    x = 82,313.60

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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.