Home / 45,819.12-63,230-42,057.48

Finding the Fourth Proportional to 45,819.12, 63,230 and 42,057.48

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Solution

The fourth proportional to 45,819.12, 63,230 and 42,057.48 is: 58,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.12 : 63,230 = 42,057.48 : x
  2. Step 2: Convert to fraction form
    45,819.12/63,230 = 42,057.48/x
  3. Step 3: Cross multiply
    45,819.12x = 63,230 × 42,057.48
  4. Step 4: Simplify right side
    45,819.12x = 2,659,294,460.40
  5. Step 5: Solve for x
    x = 2,659,294,460.40/45,819.12
  6. Step 6: Final answer
    x = 58,038.97

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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.