Home / 47,155.95-70,727.89-15,558.19

Finding the Fourth Proportional to 47,155.95, 70,727.89 and 15,558.19

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Solution

The fourth proportional to 47,155.95, 70,727.89 and 15,558.19 is: 23,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.95 : 70,727.89 = 15,558.19 : x
  2. Step 2: Convert to fraction form
    47,155.95/70,727.89 = 15,558.19/x
  3. Step 3: Cross multiply
    47,155.95x = 70,727.89 × 15,558.19
  4. Step 4: Simplify right side
    47,155.95x = 1,100,397,950.92
  5. Step 5: Solve for x
    x = 1,100,397,950.92/47,155.95
  6. Step 6: Final answer
    x = 23,335.29

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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.