Home / 89,637.40-123,698.58-49,350.31

Finding the Fourth Proportional to 89,637.40, 123,698.58 and 49,350.31

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Solution

The fourth proportional to 89,637.40, 123,698.58 and 49,350.31 is: 68,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637.40 : 123,698.58 = 49,350.31 : x
  2. Step 2: Convert to fraction form
    89,637.40/123,698.58 = 49,350.31/x
  3. Step 3: Cross multiply
    89,637.40x = 123,698.58 × 49,350.31
  4. Step 4: Simplify right side
    89,637.40x = 6,104,563,269.56
  5. Step 5: Solve for x
    x = 6,104,563,269.56/89,637.40
  6. Step 6: Final answer
    x = 68,102.86

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1.5x scale

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.