Home / 85,560.86-118,088.58-49,771.64

Finding the Fourth Proportional to 85,560.86, 118,088.58 and 49,771.64

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Solution

The fourth proportional to 85,560.86, 118,088.58 and 49,771.64 is: 68,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.86 : 118,088.58 = 49,771.64 : x
  2. Step 2: Convert to fraction form
    85,560.86/118,088.58 = 49,771.64/x
  3. Step 3: Cross multiply
    85,560.86x = 118,088.58 × 49,771.64
  4. Step 4: Simplify right side
    85,560.86x = 5,877,462,291.87
  5. Step 5: Solve for x
    x = 5,877,462,291.87/85,560.86
  6. Step 6: Final answer
    x = 68,693.35

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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.