Home / 74,935.49-103,409.76-40,943.25

Finding the Fourth Proportional to 74,935.49, 103,409.76 and 40,943.25

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Solution

The fourth proportional to 74,935.49, 103,409.76 and 40,943.25 is: 56,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935.49 : 103,409.76 = 40,943.25 : x
  2. Step 2: Convert to fraction form
    74,935.49/103,409.76 = 40,943.25/x
  3. Step 3: Cross multiply
    74,935.49x = 103,409.76 × 40,943.25
  4. Step 4: Simplify right side
    74,935.49x = 4,233,931,809.66
  5. Step 5: Solve for x
    x = 4,233,931,809.66/74,935.49
  6. Step 6: Final answer
    x = 56,501.03

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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.