Home / 77,346.69-116,034.61-30,603.21

Finding the Fourth Proportional to 77,346.69, 116,034.61 and 30,603.21

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Solution

The fourth proportional to 77,346.69, 116,034.61 and 30,603.21 is: 45,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346.69 : 116,034.61 = 30,603.21 : x
  2. Step 2: Convert to fraction form
    77,346.69/116,034.61 = 30,603.21/x
  3. Step 3: Cross multiply
    77,346.69x = 116,034.61 × 30,603.21
  4. Step 4: Simplify right side
    77,346.69x = 3,551,031,537.10
  5. Step 5: Solve for x
    x = 3,551,031,537.10/77,346.69
  6. Step 6: Final answer
    x = 45,910.58

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1.5x scale

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.