Home / 75,411.28-113,106.59-41,739.58

Finding the Fourth Proportional to 75,411.28, 113,106.59 and 41,739.58

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Solution

The fourth proportional to 75,411.28, 113,106.59 and 41,739.58 is: 62,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.28 : 113,106.59 = 41,739.58 : x
  2. Step 2: Convert to fraction form
    75,411.28/113,106.59 = 41,739.58/x
  3. Step 3: Cross multiply
    75,411.28x = 113,106.59 × 41,739.58
  4. Step 4: Simplify right side
    75,411.28x = 4,721,021,561.83
  5. Step 5: Solve for x
    x = 4,721,021,561.83/75,411.28
  6. Step 6: Final answer
    x = 62,603.65

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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.