Home / 75,121.04-112,603.68-46,976.50

Finding the Fourth Proportional to 75,121.04, 112,603.68 and 46,976.50

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Solution

The fourth proportional to 75,121.04, 112,603.68 and 46,976.50 is: 70,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,121.04 : 112,603.68 = 46,976.50 : x
  2. Step 2: Convert to fraction form
    75,121.04/112,603.68 = 46,976.50/x
  3. Step 3: Cross multiply
    75,121.04x = 112,603.68 × 46,976.50
  4. Step 4: Simplify right side
    75,121.04x = 5,289,726,773.52
  5. Step 5: Solve for x
    x = 5,289,726,773.52/75,121.04
  6. Step 6: Final answer
    x = 70,416.05

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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.