Home / 72,504.10-100,009.58-52,390.52

Finding the Fourth Proportional to 72,504.10, 100,009.58 and 52,390.52

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Solution

The fourth proportional to 72,504.10, 100,009.58 and 52,390.52 is: 72,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504.10 : 100,009.58 = 52,390.52 : x
  2. Step 2: Convert to fraction form
    72,504.10/100,009.58 = 52,390.52/x
  3. Step 3: Cross multiply
    72,504.10x = 100,009.58 × 52,390.52
  4. Step 4: Simplify right side
    72,504.10x = 5,239,553,901.18
  5. Step 5: Solve for x
    x = 5,239,553,901.18/72,504.10
  6. Step 6: Final answer
    x = 72,265.62

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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.