Home / 67,830.48-101,623.68-63,828.96

Finding the Fourth Proportional to 67,830.48, 101,623.68 and 63,828.96

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Solution

The fourth proportional to 67,830.48, 101,623.68 and 63,828.96 is: 95,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,830.48 : 101,623.68 = 63,828.96 : x
  2. Step 2: Convert to fraction form
    67,830.48/101,623.68 = 63,828.96/x
  3. Step 3: Cross multiply
    67,830.48x = 101,623.68 × 63,828.96
  4. Step 4: Simplify right side
    67,830.48x = 6,486,533,805.77
  5. Step 5: Solve for x
    x = 6,486,533,805.77/67,830.48
  6. Step 6: Final answer
    x = 95,628.60

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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.