Home / 98,897.85-148,388.29-42,709.03

Finding the Fourth Proportional to 98,897.85, 148,388.29 and 42,709.03

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Solution

The fourth proportional to 98,897.85, 148,388.29 and 42,709.03 is: 64,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.85 : 148,388.29 = 42,709.03 : x
  2. Step 2: Convert to fraction form
    98,897.85/148,388.29 = 42,709.03/x
  3. Step 3: Cross multiply
    98,897.85x = 148,388.29 × 42,709.03
  4. Step 4: Simplify right side
    98,897.85x = 6,337,520,675.05
  5. Step 5: Solve for x
    x = 6,337,520,675.05/98,897.85
  6. Step 6: Final answer
    x = 64,081.48

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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.