Home / 101,563.96-140,156.04-59,121.60

Finding the Fourth Proportional to 101,563.96, 140,156.04 and 59,121.60

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Solution

The fourth proportional to 101,563.96, 140,156.04 and 59,121.60 is: 81,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,563.96 : 140,156.04 = 59,121.60 : x
  2. Step 2: Convert to fraction form
    101,563.96/140,156.04 = 59,121.60/x
  3. Step 3: Cross multiply
    101,563.96x = 140,156.04 × 59,121.60
  4. Step 4: Simplify right side
    101,563.96x = 8,286,249,334.46
  5. Step 5: Solve for x
    x = 8,286,249,334.46/101,563.96
  6. Step 6: Final answer
    x = 81,586.51

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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.