Home / 74,302.46-102,535.38-45,219.90

Finding the Fourth Proportional to 74,302.46, 102,535.38 and 45,219.90

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Solution

The fourth proportional to 74,302.46, 102,535.38 and 45,219.90 is: 62,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.46 : 102,535.38 = 45,219.90 : x
  2. Step 2: Convert to fraction form
    74,302.46/102,535.38 = 45,219.90/x
  3. Step 3: Cross multiply
    74,302.46x = 102,535.38 × 45,219.90
  4. Step 4: Simplify right side
    74,302.46x = 4,636,639,630.06
  5. Step 5: Solve for x
    x = 4,636,639,630.06/74,302.46
  6. Step 6: Final answer
    x = 62,402.24

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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.