Home / 86,823.16-130,234.72-40,050.52

Finding the Fourth Proportional to 86,823.16, 130,234.72 and 40,050.52

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Solution

The fourth proportional to 86,823.16, 130,234.72 and 40,050.52 is: 60,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,823.16 : 130,234.72 = 40,050.52 : x
  2. Step 2: Convert to fraction form
    86,823.16/130,234.72 = 40,050.52/x
  3. Step 3: Cross multiply
    86,823.16x = 130,234.72 × 40,050.52
  4. Step 4: Simplify right side
    86,823.16x = 5,215,968,258.05
  5. Step 5: Solve for x
    x = 5,215,968,258.05/86,823.16
  6. Step 6: Final answer
    x = 60,075.77

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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.