Home / 42,751.86-64,093.26-17,810.70

Finding the Fourth Proportional to 42,751.86, 64,093.26 and 17,810.70

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Solution

The fourth proportional to 42,751.86, 64,093.26 and 17,810.70 is: 26,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.86 : 64,093.26 = 17,810.70 : x
  2. Step 2: Convert to fraction form
    42,751.86/64,093.26 = 17,810.70/x
  3. Step 3: Cross multiply
    42,751.86x = 64,093.26 × 17,810.70
  4. Step 4: Simplify right side
    42,751.86x = 1,141,545,825.88
  5. Step 5: Solve for x
    x = 1,141,545,825.88/42,751.86
  6. Step 6: Final answer
    x = 26,701.66

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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.