Home / 73,059.03-100,829.16-42,869.70

Finding the Fourth Proportional to 73,059.03, 100,829.16 and 42,869.70

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Solution

The fourth proportional to 73,059.03, 100,829.16 and 42,869.70 is: 59,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.03 : 100,829.16 = 42,869.70 : x
  2. Step 2: Convert to fraction form
    73,059.03/100,829.16 = 42,869.70/x
  3. Step 3: Cross multiply
    73,059.03x = 100,829.16 × 42,869.70
  4. Step 4: Simplify right side
    73,059.03x = 4,322,515,840.45
  5. Step 5: Solve for x
    x = 4,322,515,840.45/73,059.03
  6. Step 6: Final answer
    x = 59,164.70

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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.