Home / 52,357.16-78,489.22-19,071.02

Finding the Fourth Proportional to 52,357.16, 78,489.22 and 19,071.02

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Solution

The fourth proportional to 52,357.16, 78,489.22 and 19,071.02 is: 28,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.16 : 78,489.22 = 19,071.02 : x
  2. Step 2: Convert to fraction form
    52,357.16/78,489.22 = 19,071.02/x
  3. Step 3: Cross multiply
    52,357.16x = 78,489.22 × 19,071.02
  4. Step 4: Simplify right side
    52,357.16x = 1,496,869,484.40
  5. Step 5: Solve for x
    x = 1,496,869,484.40/52,357.16
  6. Step 6: Final answer
    x = 28,589.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.