Home / 79,845.36-119,518.92-58,809.15

Finding the Fourth Proportional to 79,845.36, 119,518.92 and 58,809.15

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Solution

The fourth proportional to 79,845.36, 119,518.92 and 58,809.15 is: 88,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,845.36 : 119,518.92 = 58,809.15 : x
  2. Step 2: Convert to fraction form
    79,845.36/119,518.92 = 58,809.15/x
  3. Step 3: Cross multiply
    79,845.36x = 119,518.92 × 58,809.15
  4. Step 4: Simplify right side
    79,845.36x = 7,028,806,094.12
  5. Step 5: Solve for x
    x = 7,028,806,094.12/79,845.36
  6. Step 6: Final answer
    x = 88,030.24

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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.