Home / 85,000.07-127,486.19-25,014.51

Finding the Fourth Proportional to 85,000.07, 127,486.19 and 25,014.51

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Solution

The fourth proportional to 85,000.07, 127,486.19 and 25,014.51 is: 37,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,000.07 : 127,486.19 = 25,014.51 : x
  2. Step 2: Convert to fraction form
    85,000.07/127,486.19 = 25,014.51/x
  3. Step 3: Cross multiply
    85,000.07x = 127,486.19 × 25,014.51
  4. Step 4: Simplify right side
    85,000.07x = 3,189,004,637.15
  5. Step 5: Solve for x
    x = 3,189,004,637.15/85,000.07
  6. Step 6: Final answer
    x = 37,517.67

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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.