Home / 85,826.66-118,440.77-47,586.08

Finding the Fourth Proportional to 85,826.66, 118,440.77 and 47,586.08

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Solution

The fourth proportional to 85,826.66, 118,440.77 and 47,586.08 is: 65,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.66 : 118,440.77 = 47,586.08 : x
  2. Step 2: Convert to fraction form
    85,826.66/118,440.77 = 47,586.08/x
  3. Step 3: Cross multiply
    85,826.66x = 118,440.77 × 47,586.08
  4. Step 4: Simplify right side
    85,826.66x = 5,636,132,014.65
  5. Step 5: Solve for x
    x = 5,636,132,014.65/85,826.66
  6. Step 6: Final answer
    x = 65,668.78

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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.