Home / 123,848.48-170,912.88-67,259.85

Finding the Fourth Proportional to 123,848.48, 170,912.88 and 67,259.85

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Solution

The fourth proportional to 123,848.48, 170,912.88 and 67,259.85 is: 92,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,848.48 : 170,912.88 = 67,259.85 : x
  2. Step 2: Convert to fraction form
    123,848.48/170,912.88 = 67,259.85/x
  3. Step 3: Cross multiply
    123,848.48x = 170,912.88 × 67,259.85
  4. Step 4: Simplify right side
    123,848.48x = 11,495,574,671.87
  5. Step 5: Solve for x
    x = 11,495,574,671.87/123,848.48
  6. Step 6: Final answer
    x = 92,819.67

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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.