Home / 85,518.24-118,015.20-47,792.52

Finding the Fourth Proportional to 85,518.24, 118,015.20 and 47,792.52

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Solution

The fourth proportional to 85,518.24, 118,015.20 and 47,792.52 is: 65,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,518.24 : 118,015.20 = 47,792.52 : x
  2. Step 2: Convert to fraction form
    85,518.24/118,015.20 = 47,792.52/x
  3. Step 3: Cross multiply
    85,518.24x = 118,015.20 × 47,792.52
  4. Step 4: Simplify right side
    85,518.24x = 5,640,243,806.30
  5. Step 5: Solve for x
    x = 5,640,243,806.30/85,518.24
  6. Step 6: Final answer
    x = 65,953.69

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1.5x scale

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.