Home / 67,918.76-93,742.56-51,827.88

Finding the Fourth Proportional to 67,918.76, 93,742.56 and 51,827.88

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Solution

The fourth proportional to 67,918.76, 93,742.56 and 51,827.88 is: 71,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.76 : 93,742.56 = 51,827.88 : x
  2. Step 2: Convert to fraction form
    67,918.76/93,742.56 = 51,827.88/x
  3. Step 3: Cross multiply
    67,918.76x = 93,742.56 × 51,827.88
  4. Step 4: Simplify right side
    67,918.76x = 4,858,478,150.57
  5. Step 5: Solve for x
    x = 4,858,478,150.57/67,918.76
  6. Step 6: Final answer
    x = 71,533.67

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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.