Home / 107,809.08-148,838.22-72,059.64

Finding the Fourth Proportional to 107,809.08, 148,838.22 and 72,059.64

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Solution

The fourth proportional to 107,809.08, 148,838.22 and 72,059.64 is: 99,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.08 : 148,838.22 = 72,059.64 : x
  2. Step 2: Convert to fraction form
    107,809.08/148,838.22 = 72,059.64/x
  3. Step 3: Cross multiply
    107,809.08x = 148,838.22 × 72,059.64
  4. Step 4: Simplify right side
    107,809.08x = 10,725,228,551.44
  5. Step 5: Solve for x
    x = 10,725,228,551.44/107,809.08
  6. Step 6: Final answer
    x = 99,483.54

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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.