Home / 74,991.36-103,484.88-41,457.12

Finding the Fourth Proportional to 74,991.36, 103,484.88 and 41,457.12

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Solution

The fourth proportional to 74,991.36, 103,484.88 and 41,457.12 is: 57,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,991.36 : 103,484.88 = 41,457.12 : x
  2. Step 2: Convert to fraction form
    74,991.36/103,484.88 = 41,457.12/x
  3. Step 3: Cross multiply
    74,991.36x = 103,484.88 × 41,457.12
  4. Step 4: Simplify right side
    74,991.36x = 4,290,185,088.35
  5. Step 5: Solve for x
    x = 4,290,185,088.35/74,991.36
  6. Step 6: Final answer
    x = 57,209.06

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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.