Home / 72,905.40-100,579.86-44,627.49

Finding the Fourth Proportional to 72,905.40, 100,579.86 and 44,627.49

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Solution

The fourth proportional to 72,905.40, 100,579.86 and 44,627.49 is: 61,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.40 : 100,579.86 = 44,627.49 : x
  2. Step 2: Convert to fraction form
    72,905.40/100,579.86 = 44,627.49/x
  3. Step 3: Cross multiply
    72,905.40x = 100,579.86 × 44,627.49
  4. Step 4: Simplify right side
    72,905.40x = 4,488,626,696.35
  5. Step 5: Solve for x
    x = 4,488,626,696.35/72,905.40
  6. Step 6: Final answer
    x = 61,567.82

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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.