Home / 85,763.20-118,351.92-48,038.80

Finding the Fourth Proportional to 85,763.20, 118,351.92 and 48,038.80

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Solution

The fourth proportional to 85,763.20, 118,351.92 and 48,038.80 is: 66,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,763.20 : 118,351.92 = 48,038.80 : x
  2. Step 2: Convert to fraction form
    85,763.20/118,351.92 = 48,038.80/x
  3. Step 3: Cross multiply
    85,763.20x = 118,351.92 × 48,038.80
  4. Step 4: Simplify right side
    85,763.20x = 5,685,484,214.50
  5. Step 5: Solve for x
    x = 5,685,484,214.50/85,763.20
  6. Step 6: Final answer
    x = 66,292.82

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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.