Home / 42,010.13-63,015.19-10,845.38

Finding the Fourth Proportional to 42,010.13, 63,015.19 and 10,845.38

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Solution

The fourth proportional to 42,010.13, 63,015.19 and 10,845.38 is: 16,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,010.13 : 63,015.19 = 10,845.38 : x
  2. Step 2: Convert to fraction form
    42,010.13/63,015.19 = 10,845.38/x
  3. Step 3: Cross multiply
    42,010.13x = 63,015.19 × 10,845.38
  4. Step 4: Simplify right side
    42,010.13x = 683,423,681.32
  5. Step 5: Solve for x
    x = 683,423,681.32/42,010.13
  6. Step 6: Final answer
    x = 16,268.07

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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.