Home / 107,511.12-148,358.84-59,762.80

Finding the Fourth Proportional to 107,511.12, 148,358.84 and 59,762.80

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Solution

The fourth proportional to 107,511.12, 148,358.84 and 59,762.80 is: 82,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,511.12 : 148,358.84 = 59,762.80 : x
  2. Step 2: Convert to fraction form
    107,511.12/148,358.84 = 59,762.80/x
  3. Step 3: Cross multiply
    107,511.12x = 148,358.84 × 59,762.80
  4. Step 4: Simplify right side
    107,511.12x = 8,866,339,683.15
  5. Step 5: Solve for x
    x = 8,866,339,683.15/107,511.12
  6. Step 6: Final answer
    x = 82,469.05

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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.