Home / 74,742.76-103,139.94-41,204.20

Finding the Fourth Proportional to 74,742.76, 103,139.94 and 41,204.20

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Solution

The fourth proportional to 74,742.76, 103,139.94 and 41,204.20 is: 56,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742.76 : 103,139.94 = 41,204.20 : x
  2. Step 2: Convert to fraction form
    74,742.76/103,139.94 = 41,204.20/x
  3. Step 3: Cross multiply
    74,742.76x = 103,139.94 × 41,204.20
  4. Step 4: Simplify right side
    74,742.76x = 4,249,798,715.75
  5. Step 5: Solve for x
    x = 4,249,798,715.75/74,742.76
  6. Step 6: Final answer
    x = 56,859.00

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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.