Home / 75,048.33-112,572.47-28,290.27

Finding the Fourth Proportional to 75,048.33, 112,572.47 and 28,290.27

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Solution

The fourth proportional to 75,048.33, 112,572.47 and 28,290.27 is: 42,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.33 : 112,572.47 = 28,290.27 : x
  2. Step 2: Convert to fraction form
    75,048.33/112,572.47 = 28,290.27/x
  3. Step 3: Cross multiply
    75,048.33x = 112,572.47 × 28,290.27
  4. Step 4: Simplify right side
    75,048.33x = 3,184,705,570.87
  5. Step 5: Solve for x
    x = 3,184,705,570.87/75,048.33
  6. Step 6: Final answer
    x = 42,435.40

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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.