Home / 85,579.03-118,089.97-47,332.50

Finding the Fourth Proportional to 85,579.03, 118,089.97 and 47,332.50

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Solution

The fourth proportional to 85,579.03, 118,089.97 and 47,332.50 is: 65,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,579.03 : 118,089.97 = 47,332.50 : x
  2. Step 2: Convert to fraction form
    85,579.03/118,089.97 = 47,332.50/x
  3. Step 3: Cross multiply
    85,579.03x = 118,089.97 × 47,332.50
  4. Step 4: Simplify right side
    85,579.03x = 5,589,493,386.69
  5. Step 5: Solve for x
    x = 5,589,493,386.69/85,579.03
  6. Step 6: Final answer
    x = 65,313.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.