Home / 87,079.83-130,603.23-30,917.67

Finding the Fourth Proportional to 87,079.83, 130,603.23 and 30,917.67

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Solution

The fourth proportional to 87,079.83, 130,603.23 and 30,917.67 is: 46,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,079.83 : 130,603.23 = 30,917.67 : x
  2. Step 2: Convert to fraction form
    87,079.83/130,603.23 = 30,917.67/x
  3. Step 3: Cross multiply
    87,079.83x = 130,603.23 × 30,917.67
  4. Step 4: Simplify right side
    87,079.83x = 4,037,947,566.07
  5. Step 5: Solve for x
    x = 4,037,947,566.07/87,079.83
  6. Step 6: Final answer
    x = 46,370.64

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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.