Home / 49,142.08-73,642.65-28,038.34

Finding the Fourth Proportional to 49,142.08, 73,642.65 and 28,038.34

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Solution

The fourth proportional to 49,142.08, 73,642.65 and 28,038.34 is: 42,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.08 : 73,642.65 = 28,038.34 : x
  2. Step 2: Convert to fraction form
    49,142.08/73,642.65 = 28,038.34/x
  3. Step 3: Cross multiply
    49,142.08x = 73,642.65 × 28,038.34
  4. Step 4: Simplify right side
    49,142.08x = 2,064,817,659.20
  5. Step 5: Solve for x
    x = 2,064,817,659.20/49,142.08
  6. Step 6: Final answer
    x = 42,017.30

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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.