Home / 67,390.81-92,999.05-37,178.01

Finding the Fourth Proportional to 67,390.81, 92,999.05 and 37,178.01

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Solution

The fourth proportional to 67,390.81, 92,999.05 and 37,178.01 is: 51,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.81 : 92,999.05 = 37,178.01 : x
  2. Step 2: Convert to fraction form
    67,390.81/92,999.05 = 37,178.01/x
  3. Step 3: Cross multiply
    67,390.81x = 92,999.05 × 37,178.01
  4. Step 4: Simplify right side
    67,390.81x = 3,457,519,727.07
  5. Step 5: Solve for x
    x = 3,457,519,727.07/67,390.81
  6. Step 6: Final answer
    x = 51,305.51

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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.