Home / 109,739.16-151,439.90-59,438.16

Finding the Fourth Proportional to 109,739.16, 151,439.90 and 59,438.16

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Solution

The fourth proportional to 109,739.16, 151,439.90 and 59,438.16 is: 82,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.16 : 151,439.90 = 59,438.16 : x
  2. Step 2: Convert to fraction form
    109,739.16/151,439.90 = 59,438.16/x
  3. Step 3: Cross multiply
    109,739.16x = 151,439.90 × 59,438.16
  4. Step 4: Simplify right side
    109,739.16x = 9,001,308,709.39
  5. Step 5: Solve for x
    x = 9,001,308,709.39/109,739.16
  6. Step 6: Final answer
    x = 82,024.58

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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.