Home / 75,240.28-112,784.58-47,180.16

Finding the Fourth Proportional to 75,240.28, 112,784.58 and 47,180.16

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Solution

The fourth proportional to 75,240.28, 112,784.58 and 47,180.16 is: 70,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,240.28 : 112,784.58 = 47,180.16 : x
  2. Step 2: Convert to fraction form
    75,240.28/112,784.58 = 47,180.16/x
  3. Step 3: Cross multiply
    75,240.28x = 112,784.58 × 47,180.16
  4. Step 4: Simplify right side
    75,240.28x = 5,321,194,529.93
  5. Step 5: Solve for x
    x = 5,321,194,529.93/75,240.28
  6. Step 6: Final answer
    x = 70,722.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.