Home / 52,301.70-72,177.08-28,428.38

Finding the Fourth Proportional to 52,301.70, 72,177.08 and 28,428.38

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Solution

The fourth proportional to 52,301.70, 72,177.08 and 28,428.38 is: 39,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.70 : 72,177.08 = 28,428.38 : x
  2. Step 2: Convert to fraction form
    52,301.70/72,177.08 = 28,428.38/x
  3. Step 3: Cross multiply
    52,301.70x = 72,177.08 × 28,428.38
  4. Step 4: Simplify right side
    52,301.70x = 2,051,877,457.53
  5. Step 5: Solve for x
    x = 2,051,877,457.53/52,301.70
  6. Step 6: Final answer
    x = 39,231.56

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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.