Home / 85,518.34-118,014.48-47,792.62

Finding the Fourth Proportional to 85,518.34, 118,014.48 and 47,792.62

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Solution

The fourth proportional to 85,518.34, 118,014.48 and 47,792.62 is: 65,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,518.34 : 118,014.48 = 47,792.62 : x
  2. Step 2: Convert to fraction form
    85,518.34/118,014.48 = 47,792.62/x
  3. Step 3: Cross multiply
    85,518.34x = 118,014.48 × 47,792.62
  4. Step 4: Simplify right side
    85,518.34x = 5,640,221,197.14
  5. Step 5: Solve for x
    x = 5,640,221,197.14/85,518.34
  6. Step 6: Final answer
    x = 65,953.35

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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.