Home / 85,561.97-118,106.78-51,571.67

Finding the Fourth Proportional to 85,561.97, 118,106.78 and 51,571.67

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Solution

The fourth proportional to 85,561.97, 118,106.78 and 51,571.67 is: 71,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,561.97 : 118,106.78 = 51,571.67 : x
  2. Step 2: Convert to fraction form
    85,561.97/118,106.78 = 51,571.67/x
  3. Step 3: Cross multiply
    85,561.97x = 118,106.78 × 51,571.67
  4. Step 4: Simplify right side
    85,561.97x = 6,090,963,034.53
  5. Step 5: Solve for x
    x = 6,090,963,034.53/85,561.97
  6. Step 6: Final answer
    x = 71,187.74

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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.