Home / 42,285.74-63,428.43-10,696.10

Finding the Fourth Proportional to 42,285.74, 63,428.43 and 10,696.10

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Solution

The fourth proportional to 42,285.74, 63,428.43 and 10,696.10 is: 16,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.74 : 63,428.43 = 10,696.10 : x
  2. Step 2: Convert to fraction form
    42,285.74/63,428.43 = 10,696.10/x
  3. Step 3: Cross multiply
    42,285.74x = 63,428.43 × 10,696.10
  4. Step 4: Simplify right side
    42,285.74x = 678,436,830.12
  5. Step 5: Solve for x
    x = 678,436,830.12/42,285.74
  6. Step 6: Final answer
    x = 16,044.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.