Home / 42,378.12-63,542.57-16,068.51

Finding the Fourth Proportional to 42,378.12, 63,542.57 and 16,068.51

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Solution

The fourth proportional to 42,378.12, 63,542.57 and 16,068.51 is: 24,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.12 : 63,542.57 = 16,068.51 : x
  2. Step 2: Convert to fraction form
    42,378.12/63,542.57 = 16,068.51/x
  3. Step 3: Cross multiply
    42,378.12x = 63,542.57 × 16,068.51
  4. Step 4: Simplify right side
    42,378.12x = 1,021,034,341.13
  5. Step 5: Solve for x
    x = 1,021,034,341.13/42,378.12
  6. Step 6: Final answer
    x = 24,093.43

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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.