Home / 72,383.10-108,574.65-46,203.90

Finding the Fourth Proportional to 72,383.10, 108,574.65 and 46,203.90

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Solution

The fourth proportional to 72,383.10, 108,574.65 and 46,203.90 is: 69,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,383.10 : 108,574.65 = 46,203.90 : x
  2. Step 2: Convert to fraction form
    72,383.10/108,574.65 = 46,203.90/x
  3. Step 3: Cross multiply
    72,383.10x = 108,574.65 × 46,203.90
  4. Step 4: Simplify right side
    72,383.10x = 5,016,572,271.14
  5. Step 5: Solve for x
    x = 5,016,572,271.14/72,383.10
  6. Step 6: Final answer
    x = 69,305.85

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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.