Home / 103,632.48-155,509.01-40,449.24

Finding the Fourth Proportional to 103,632.48, 155,509.01 and 40,449.24

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Solution

The fourth proportional to 103,632.48, 155,509.01 and 40,449.24 is: 60,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.48 : 155,509.01 = 40,449.24 : x
  2. Step 2: Convert to fraction form
    103,632.48/155,509.01 = 40,449.24/x
  3. Step 3: Cross multiply
    103,632.48x = 155,509.01 × 40,449.24
  4. Step 4: Simplify right side
    103,632.48x = 6,290,221,267.65
  5. Step 5: Solve for x
    x = 6,290,221,267.65/103,632.48
  6. Step 6: Final answer
    x = 60,697.39

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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.