Home / 72,816.14-100,453.78-59,442.64

Finding the Fourth Proportional to 72,816.14, 100,453.78 and 59,442.64

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Solution

The fourth proportional to 72,816.14, 100,453.78 and 59,442.64 is: 82,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,816.14 : 100,453.78 = 59,442.64 : x
  2. Step 2: Convert to fraction form
    72,816.14/100,453.78 = 59,442.64/x
  3. Step 3: Cross multiply
    72,816.14x = 100,453.78 × 59,442.64
  4. Step 4: Simplify right side
    72,816.14x = 5,971,237,881.18
  5. Step 5: Solve for x
    x = 5,971,237,881.18/72,816.14
  6. Step 6: Final answer
    x = 82,004.32

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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.