Home / 74,759.85-112,186.46-30,386.58

Finding the Fourth Proportional to 74,759.85, 112,186.46 and 30,386.58

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Solution

The fourth proportional to 74,759.85, 112,186.46 and 30,386.58 is: 45,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.85 : 112,186.46 = 30,386.58 : x
  2. Step 2: Convert to fraction form
    74,759.85/112,186.46 = 30,386.58/x
  3. Step 3: Cross multiply
    74,759.85x = 112,186.46 × 30,386.58
  4. Step 4: Simplify right side
    74,759.85x = 3,408,962,841.71
  5. Step 5: Solve for x
    x = 3,408,962,841.71/74,759.85
  6. Step 6: Final answer
    x = 45,598.85

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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.