Home / 69,954.17-96,421.55-49,509.80

Finding the Fourth Proportional to 69,954.17, 96,421.55 and 49,509.80

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Solution

The fourth proportional to 69,954.17, 96,421.55 and 49,509.80 is: 68,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,954.17 : 96,421.55 = 49,509.80 : x
  2. Step 2: Convert to fraction form
    69,954.17/96,421.55 = 49,509.80/x
  3. Step 3: Cross multiply
    69,954.17x = 96,421.55 × 49,509.80
  4. Step 4: Simplify right side
    69,954.17x = 4,773,810,926.53
  5. Step 5: Solve for x
    x = 4,773,810,926.53/69,954.17
  6. Step 6: Final answer
    x = 68,241.98

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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.