Home / 69,989.09-96,525.53-59,140.38

Finding the Fourth Proportional to 69,989.09, 96,525.53 and 59,140.38

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Solution

The fourth proportional to 69,989.09, 96,525.53 and 59,140.38 is: 81,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989.09 : 96,525.53 = 59,140.38 : x
  2. Step 2: Convert to fraction form
    69,989.09/96,525.53 = 59,140.38/x
  3. Step 3: Cross multiply
    69,989.09x = 96,525.53 × 59,140.38
  4. Step 4: Simplify right side
    69,989.09x = 5,708,556,523.90
  5. Step 5: Solve for x
    x = 5,708,556,523.90/69,989.09
  6. Step 6: Final answer
    x = 81,563.52

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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.