Home / 75,673.04-113,509.76-75,563.69

Finding the Fourth Proportional to 75,673.04, 113,509.76 and 75,563.69

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Solution

The fourth proportional to 75,673.04, 113,509.76 and 75,563.69 is: 113,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673.04 : 113,509.76 = 75,563.69 : x
  2. Step 2: Convert to fraction form
    75,673.04/113,509.76 = 75,563.69/x
  3. Step 3: Cross multiply
    75,673.04x = 113,509.76 × 75,563.69
  4. Step 4: Simplify right side
    75,673.04x = 8,577,215,371.25
  5. Step 5: Solve for x
    x = 8,577,215,371.25/75,673.04
  6. Step 6: Final answer
    x = 113,345.73

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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.