Home / 75,030.75-103,544.36-45,224.67

Finding the Fourth Proportional to 75,030.75, 103,544.36 and 45,224.67

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Solution

The fourth proportional to 75,030.75, 103,544.36 and 45,224.67 is: 62,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.75 : 103,544.36 = 45,224.67 : x
  2. Step 2: Convert to fraction form
    75,030.75/103,544.36 = 45,224.67/x
  3. Step 3: Cross multiply
    75,030.75x = 103,544.36 × 45,224.67
  4. Step 4: Simplify right side
    75,030.75x = 4,682,759,285.24
  5. Step 5: Solve for x
    x = 4,682,759,285.24/75,030.75
  6. Step 6: Final answer
    x = 62,411.20

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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.