Home / 86,003.21-118,688.37-47,762.93

Finding the Fourth Proportional to 86,003.21, 118,688.37 and 47,762.93

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Solution

The fourth proportional to 86,003.21, 118,688.37 and 47,762.93 is: 65,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,003.21 : 118,688.37 = 47,762.93 : x
  2. Step 2: Convert to fraction form
    86,003.21/118,688.37 = 47,762.93/x
  3. Step 3: Cross multiply
    86,003.21x = 118,688.37 × 47,762.93
  4. Step 4: Simplify right side
    86,003.21x = 5,668,904,425.73
  5. Step 5: Solve for x
    x = 5,668,904,425.73/86,003.21
  6. Step 6: Final answer
    x = 65,915.03

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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.