Home / 52,262.07-72,122.03-28,388.75

Finding the Fourth Proportional to 52,262.07, 72,122.03 and 28,388.75

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Solution

The fourth proportional to 52,262.07, 72,122.03 and 28,388.75 is: 39,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.07 : 72,122.03 = 28,388.75 : x
  2. Step 2: Convert to fraction form
    52,262.07/72,122.03 = 28,388.75/x
  3. Step 3: Cross multiply
    52,262.07x = 72,122.03 × 28,388.75
  4. Step 4: Simplify right side
    52,262.07x = 2,047,453,776.61
  5. Step 5: Solve for x
    x = 2,047,453,776.61/52,262.07
  6. Step 6: Final answer
    x = 39,176.67

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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.