Home / 52,301.45-72,176.73-28,428.12

Finding the Fourth Proportional to 52,301.45, 72,176.73 and 28,428.12

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Solution

The fourth proportional to 52,301.45, 72,176.73 and 28,428.12 is: 39,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.45 : 72,176.73 = 28,428.12 : x
  2. Step 2: Convert to fraction form
    52,301.45/72,176.73 = 28,428.12/x
  3. Step 3: Cross multiply
    52,301.45x = 72,176.73 × 28,428.12
  4. Step 4: Simplify right side
    52,301.45x = 2,051,848,741.65
  5. Step 5: Solve for x
    x = 2,051,848,741.65/52,301.45
  6. Step 6: Final answer
    x = 39,231.21

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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.