Home / 72,544.60-100,053.78-59,947.48

Finding the Fourth Proportional to 72,544.60, 100,053.78 and 59,947.48

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Solution

The fourth proportional to 72,544.60, 100,053.78 and 59,947.48 is: 82,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544.60 : 100,053.78 = 59,947.48 : x
  2. Step 2: Convert to fraction form
    72,544.60/100,053.78 = 59,947.48/x
  3. Step 3: Cross multiply
    72,544.60x = 100,053.78 × 59,947.48
  4. Step 4: Simplify right side
    72,544.60x = 5,997,971,975.47
  5. Step 5: Solve for x
    x = 5,997,971,975.47/72,544.60
  6. Step 6: Final answer
    x = 82,679.79

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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.