Home / 109,739.14-151,440.70-59,438.14

Finding the Fourth Proportional to 109,739.14, 151,440.70 and 59,438.14

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Solution

The fourth proportional to 109,739.14, 151,440.70 and 59,438.14 is: 82,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.14 : 151,440.70 = 59,438.14 : x
  2. Step 2: Convert to fraction form
    109,739.14/151,440.70 = 59,438.14/x
  3. Step 3: Cross multiply
    109,739.14x = 151,440.70 × 59,438.14
  4. Step 4: Simplify right side
    109,739.14x = 9,001,353,528.30
  5. Step 5: Solve for x
    x = 9,001,353,528.30/109,739.14
  6. Step 6: Final answer
    x = 82,025.01

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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.