Home / 104,427.73-156,430.90-48,189.70

Finding the Fourth Proportional to 104,427.73, 156,430.90 and 48,189.70

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Solution

The fourth proportional to 104,427.73, 156,430.90 and 48,189.70 is: 72,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.73 : 156,430.90 = 48,189.70 : x
  2. Step 2: Convert to fraction form
    104,427.73/156,430.90 = 48,189.70/x
  3. Step 3: Cross multiply
    104,427.73x = 156,430.90 × 48,189.70
  4. Step 4: Simplify right side
    104,427.73x = 7,538,358,397.51
  5. Step 5: Solve for x
    x = 7,538,358,397.51/104,427.73
  6. Step 6: Final answer
    x = 72,187.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.