Home / 71,820.07-107,527.57-38,009.50

Finding the Fourth Proportional to 71,820.07, 107,527.57 and 38,009.50

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Solution

The fourth proportional to 71,820.07, 107,527.57 and 38,009.50 is: 56,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,820.07 : 107,527.57 = 38,009.50 : x
  2. Step 2: Convert to fraction form
    71,820.07/107,527.57 = 38,009.50/x
  3. Step 3: Cross multiply
    71,820.07x = 107,527.57 × 38,009.50
  4. Step 4: Simplify right side
    71,820.07x = 4,087,069,171.92
  5. Step 5: Solve for x
    x = 4,087,069,171.92/71,820.07
  6. Step 6: Final answer
    x = 56,907.06

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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.