Home / 85,771.86-118,365.20-52,237.86

Finding the Fourth Proportional to 85,771.86, 118,365.20 and 52,237.86

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Solution

The fourth proportional to 85,771.86, 118,365.20 and 52,237.86 is: 72,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,771.86 : 118,365.20 = 52,237.86 : x
  2. Step 2: Convert to fraction form
    85,771.86/118,365.20 = 52,237.86/x
  3. Step 3: Cross multiply
    85,771.86x = 118,365.20 × 52,237.86
  4. Step 4: Simplify right side
    85,771.86x = 6,183,144,746.47
  5. Step 5: Solve for x
    x = 6,183,144,746.47/85,771.86
  6. Step 6: Final answer
    x = 72,088.27

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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.