Home / 74,011.22-102,136.29-40,476.50

Finding the Fourth Proportional to 74,011.22, 102,136.29 and 40,476.50

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Solution

The fourth proportional to 74,011.22, 102,136.29 and 40,476.50 is: 55,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.22 : 102,136.29 = 40,476.50 : x
  2. Step 2: Convert to fraction form
    74,011.22/102,136.29 = 40,476.50/x
  3. Step 3: Cross multiply
    74,011.22x = 102,136.29 × 40,476.50
  4. Step 4: Simplify right side
    74,011.22x = 4,134,119,542.19
  5. Step 5: Solve for x
    x = 4,134,119,542.19/74,011.22
  6. Step 6: Final answer
    x = 55,858.01

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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.