Home / 75,751.07-104,498.06-57,814.94

Finding the Fourth Proportional to 75,751.07, 104,498.06 and 57,814.94

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Solution

The fourth proportional to 75,751.07, 104,498.06 and 57,814.94 is: 79,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,751.07 : 104,498.06 = 57,814.94 : x
  2. Step 2: Convert to fraction form
    75,751.07/104,498.06 = 57,814.94/x
  3. Step 3: Cross multiply
    75,751.07x = 104,498.06 × 57,814.94
  4. Step 4: Simplify right side
    75,751.07x = 6,041,549,041.19
  5. Step 5: Solve for x
    x = 6,041,549,041.19/75,751.07
  6. Step 6: Final answer
    x = 79,755.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.