Home / 42,541.95-63,808.08-11,379.63

Finding the Fourth Proportional to 42,541.95, 63,808.08 and 11,379.63

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Solution

The fourth proportional to 42,541.95, 63,808.08 and 11,379.63 is: 17,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.95 : 63,808.08 = 11,379.63 : x
  2. Step 2: Convert to fraction form
    42,541.95/63,808.08 = 11,379.63/x
  3. Step 3: Cross multiply
    42,541.95x = 63,808.08 × 11,379.63
  4. Step 4: Simplify right side
    42,541.95x = 726,112,022.37
  5. Step 5: Solve for x
    x = 726,112,022.37/42,541.95
  6. Step 6: Final answer
    x = 17,068.14

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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.