Home / 74,628.96-111,826.80-43,058.40

Finding the Fourth Proportional to 74,628.96, 111,826.80 and 43,058.40

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Solution

The fourth proportional to 74,628.96, 111,826.80 and 43,058.40 is: 64,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628.96 : 111,826.80 = 43,058.40 : x
  2. Step 2: Convert to fraction form
    74,628.96/111,826.80 = 43,058.40/x
  3. Step 3: Cross multiply
    74,628.96x = 111,826.80 × 43,058.40
  4. Step 4: Simplify right side
    74,628.96x = 4,815,083,085.12
  5. Step 5: Solve for x
    x = 4,815,083,085.12/74,628.96
  6. Step 6: Final answer
    x = 64,520.30

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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.