Home / 74,949.04-103,430.28-43,119.28

Finding the Fourth Proportional to 74,949.04, 103,430.28 and 43,119.28

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Solution

The fourth proportional to 74,949.04, 103,430.28 and 43,119.28 is: 59,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,949.04 : 103,430.28 = 43,119.28 : x
  2. Step 2: Convert to fraction form
    74,949.04/103,430.28 = 43,119.28/x
  3. Step 3: Cross multiply
    74,949.04x = 103,430.28 × 43,119.28
  4. Step 4: Simplify right side
    74,949.04x = 4,459,839,203.80
  5. Step 5: Solve for x
    x = 4,459,839,203.80/74,949.04
  6. Step 6: Final answer
    x = 59,504.95

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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.