Home / 107,525.12-148,378.16-59,776.80

Finding the Fourth Proportional to 107,525.12, 148,378.16 and 59,776.80

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Solution

The fourth proportional to 107,525.12, 148,378.16 and 59,776.80 is: 82,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,525.12 : 148,378.16 = 59,776.80 : x
  2. Step 2: Convert to fraction form
    107,525.12/148,378.16 = 59,776.80/x
  3. Step 3: Cross multiply
    107,525.12x = 148,378.16 × 59,776.80
  4. Step 4: Simplify right side
    107,525.12x = 8,869,571,594.69
  5. Step 5: Solve for x
    x = 8,869,571,594.69/107,525.12
  6. Step 6: Final answer
    x = 82,488.37

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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.