Home / 60,477.28-90,725.34-30,879.10

Finding the Fourth Proportional to 60,477.28, 90,725.34 and 30,879.10

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Solution

The fourth proportional to 60,477.28, 90,725.34 and 30,879.10 is: 46,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.28 : 90,725.34 = 30,879.10 : x
  2. Step 2: Convert to fraction form
    60,477.28/90,725.34 = 30,879.10/x
  3. Step 3: Cross multiply
    60,477.28x = 90,725.34 × 30,879.10
  4. Step 4: Simplify right side
    60,477.28x = 2,801,516,846.39
  5. Step 5: Solve for x
    x = 2,801,516,846.39/60,477.28
  6. Step 6: Final answer
    x = 46,323.46

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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.