Home / 61,277.53-84,563.03-34,420.05

Finding the Fourth Proportional to 61,277.53, 84,563.03 and 34,420.05

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Solution

The fourth proportional to 61,277.53, 84,563.03 and 34,420.05 is: 47,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,277.53 : 84,563.03 = 34,420.05 : x
  2. Step 2: Convert to fraction form
    61,277.53/84,563.03 = 34,420.05/x
  3. Step 3: Cross multiply
    61,277.53x = 84,563.03 × 34,420.05
  4. Step 4: Simplify right side
    61,277.53x = 2,910,663,806.80
  5. Step 5: Solve for x
    x = 2,910,663,806.80/61,277.53
  6. Step 6: Final answer
    x = 47,499.69

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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.