Home / 76,525.09-105,567.87-65,896.27

Finding the Fourth Proportional to 76,525.09, 105,567.87 and 65,896.27

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Solution

The fourth proportional to 76,525.09, 105,567.87 and 65,896.27 is: 90,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,525.09 : 105,567.87 = 65,896.27 : x
  2. Step 2: Convert to fraction form
    76,525.09/105,567.87 = 65,896.27/x
  3. Step 3: Cross multiply
    76,525.09x = 105,567.87 × 65,896.27
  4. Step 4: Simplify right side
    76,525.09x = 6,956,528,864.84
  5. Step 5: Solve for x
    x = 6,956,528,864.84/76,525.09
  6. Step 6: Final answer
    x = 90,905.20

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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.