Home / 66,162.16-99,370.89-56,695.94

Finding the Fourth Proportional to 66,162.16, 99,370.89 and 56,695.94

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Solution

The fourth proportional to 66,162.16, 99,370.89 and 56,695.94 is: 85,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.16 : 99,370.89 = 56,695.94 : x
  2. Step 2: Convert to fraction form
    66,162.16/99,370.89 = 56,695.94/x
  3. Step 3: Cross multiply
    66,162.16x = 99,370.89 × 56,695.94
  4. Step 4: Simplify right side
    66,162.16x = 5,633,925,520.33
  5. Step 5: Solve for x
    x = 5,633,925,520.33/66,162.16
  6. Step 6: Final answer
    x = 85,153.29

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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.