Home / 85,536.33-118,035-47,293.58

Finding the Fourth Proportional to 85,536.33, 118,035 and 47,293.58

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Solution

The fourth proportional to 85,536.33, 118,035 and 47,293.58 is: 65,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.33 : 118,035 = 47,293.58 : x
  2. Step 2: Convert to fraction form
    85,536.33/118,035 = 47,293.58/x
  3. Step 3: Cross multiply
    85,536.33x = 118,035 × 47,293.58
  4. Step 4: Simplify right side
    85,536.33x = 5,582,297,125.13
  5. Step 5: Solve for x
    x = 5,582,297,125.13/85,536.33
  6. Step 6: Final answer
    x = 65,262.29

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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.