Home / 69,077.61-103,606.11-19,152.50

Finding the Fourth Proportional to 69,077.61, 103,606.11 and 19,152.50

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Solution

The fourth proportional to 69,077.61, 103,606.11 and 19,152.50 is: 28,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077.61 : 103,606.11 = 19,152.50 : x
  2. Step 2: Convert to fraction form
    69,077.61/103,606.11 = 19,152.50/x
  3. Step 3: Cross multiply
    69,077.61x = 103,606.11 × 19,152.50
  4. Step 4: Simplify right side
    69,077.61x = 1,984,315,503.74
  5. Step 5: Solve for x
    x = 1,984,315,503.74/69,077.61
  6. Step 6: Final answer
    x = 28,725.89

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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.