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Finding the Fourth Proportional to 73,010.67, 100,735.68 and 42,779.76

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Solution

The fourth proportional to 73,010.67, 100,735.68 and 42,779.76 is: 59,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.67 : 100,735.68 = 42,779.76 : x
  2. Step 2: Convert to fraction form
    73,010.67/100,735.68 = 42,779.76/x
  3. Step 3: Cross multiply
    73,010.67x = 100,735.68 × 42,779.76
  4. Step 4: Simplify right side
    73,010.67x = 4,309,448,213.84
  5. Step 5: Solve for x
    x = 4,309,448,213.84/73,010.67
  6. Step 6: Final answer
    x = 59,024.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.