Home / 109,739.34-151,439.91-59,438.46

Finding the Fourth Proportional to 109,739.34, 151,439.91 and 59,438.46

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Solution

The fourth proportional to 109,739.34, 151,439.91 and 59,438.46 is: 82,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.34 : 151,439.91 = 59,438.46 : x
  2. Step 2: Convert to fraction form
    109,739.34/151,439.91 = 59,438.46/x
  3. Step 3: Cross multiply
    109,739.34x = 151,439.91 × 59,438.46
  4. Step 4: Simplify right side
    109,739.34x = 9,001,355,032.94
  5. Step 5: Solve for x
    x = 9,001,355,032.94/109,739.34
  6. Step 6: Final answer
    x = 82,024.87

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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.