Home / 54,783.99-75,603.51-30,911.67

Finding the Fourth Proportional to 54,783.99, 75,603.51 and 30,911.67

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Solution

The fourth proportional to 54,783.99, 75,603.51 and 30,911.67 is: 42,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.99 : 75,603.51 = 30,911.67 : x
  2. Step 2: Convert to fraction form
    54,783.99/75,603.51 = 30,911.67/x
  3. Step 3: Cross multiply
    54,783.99x = 75,603.51 × 30,911.67
  4. Step 4: Simplify right side
    54,783.99x = 2,337,030,751.96
  5. Step 5: Solve for x
    x = 2,337,030,751.96/54,783.99
  6. Step 6: Final answer
    x = 42,659.01

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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.