Home / 74,707.04-103,098.33-40,718.36

Finding the Fourth Proportional to 74,707.04, 103,098.33 and 40,718.36

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Solution

The fourth proportional to 74,707.04, 103,098.33 and 40,718.36 is: 56,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,707.04 : 103,098.33 = 40,718.36 : x
  2. Step 2: Convert to fraction form
    74,707.04/103,098.33 = 40,718.36/x
  3. Step 3: Cross multiply
    74,707.04x = 103,098.33 × 40,718.36
  4. Step 4: Simplify right side
    74,707.04x = 4,197,994,197.26
  5. Step 5: Solve for x
    x = 4,197,994,197.26/74,707.04
  6. Step 6: Final answer
    x = 56,192.76

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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.