Home / 52,312.15-78,501.66-19,029.03

Finding the Fourth Proportional to 52,312.15, 78,501.66 and 19,029.03

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Solution

The fourth proportional to 52,312.15, 78,501.66 and 19,029.03 is: 28,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.15 : 78,501.66 = 19,029.03 : x
  2. Step 2: Convert to fraction form
    52,312.15/78,501.66 = 19,029.03/x
  3. Step 3: Cross multiply
    52,312.15x = 78,501.66 × 19,029.03
  4. Step 4: Simplify right side
    52,312.15x = 1,493,810,443.19
  5. Step 5: Solve for x
    x = 1,493,810,443.19/52,312.15
  6. Step 6: Final answer
    x = 28,555.71

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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.