Home / 75,673.32-113,509.38-28,300.34

Finding the Fourth Proportional to 75,673.32, 113,509.38 and 28,300.34

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Solution

The fourth proportional to 75,673.32, 113,509.38 and 28,300.34 is: 42,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673.32 : 113,509.38 = 28,300.34 : x
  2. Step 2: Convert to fraction form
    75,673.32/113,509.38 = 28,300.34/x
  3. Step 3: Cross multiply
    75,673.32x = 113,509.38 × 28,300.34
  4. Step 4: Simplify right side
    75,673.32x = 3,212,354,047.19
  5. Step 5: Solve for x
    x = 3,212,354,047.19/75,673.32
  6. Step 6: Final answer
    x = 42,450.29

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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.