Home / 123,800.55-170,848.85-70,084.46

Finding the Fourth Proportional to 123,800.55, 170,848.85 and 70,084.46

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Solution

The fourth proportional to 123,800.55, 170,848.85 and 70,084.46 is: 96,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,800.55 : 170,848.85 = 70,084.46 : x
  2. Step 2: Convert to fraction form
    123,800.55/170,848.85 = 70,084.46/x
  3. Step 3: Cross multiply
    123,800.55x = 170,848.85 × 70,084.46
  4. Step 4: Simplify right side
    123,800.55x = 11,973,848,189.20
  5. Step 5: Solve for x
    x = 11,973,848,189.20/123,800.55
  6. Step 6: Final answer
    x = 96,718.86

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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.