Home / 77,619.34-116,346.12-44,267.60

Finding the Fourth Proportional to 77,619.34, 116,346.12 and 44,267.60

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Solution

The fourth proportional to 77,619.34, 116,346.12 and 44,267.60 is: 66,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,619.34 : 116,346.12 = 44,267.60 : x
  2. Step 2: Convert to fraction form
    77,619.34/116,346.12 = 44,267.60/x
  3. Step 3: Cross multiply
    77,619.34x = 116,346.12 × 44,267.60
  4. Step 4: Simplify right side
    77,619.34x = 5,150,363,501.71
  5. Step 5: Solve for x
    x = 5,150,363,501.71/77,619.34
  6. Step 6: Final answer
    x = 66,354.13

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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.