Home / 72,624.04-108,897.18-31,048.36

Finding the Fourth Proportional to 72,624.04, 108,897.18 and 31,048.36

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Solution

The fourth proportional to 72,624.04, 108,897.18 and 31,048.36 is: 46,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624.04 : 108,897.18 = 31,048.36 : x
  2. Step 2: Convert to fraction form
    72,624.04/108,897.18 = 31,048.36/x
  3. Step 3: Cross multiply
    72,624.04x = 108,897.18 × 31,048.36
  4. Step 4: Simplify right side
    72,624.04x = 3,381,078,847.62
  5. Step 5: Solve for x
    x = 3,381,078,847.62/72,624.04
  6. Step 6: Final answer
    x = 46,555.92

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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.