Home / 74,918.42-103,363.43-53,411.67

Finding the Fourth Proportional to 74,918.42, 103,363.43 and 53,411.67

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Solution

The fourth proportional to 74,918.42, 103,363.43 and 53,411.67 is: 73,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.42 : 103,363.43 = 53,411.67 : x
  2. Step 2: Convert to fraction form
    74,918.42/103,363.43 = 53,411.67/x
  3. Step 3: Cross multiply
    74,918.42x = 103,363.43 × 53,411.67
  4. Step 4: Simplify right side
    74,918.42x = 5,520,812,935.44
  5. Step 5: Solve for x
    x = 5,520,812,935.44/74,918.42
  6. Step 6: Final answer
    x = 73,691.00

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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.