Home / 56,509.57-84,705.27-19,056.70

Finding the Fourth Proportional to 56,509.57, 84,705.27 and 19,056.70

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Solution

The fourth proportional to 56,509.57, 84,705.27 and 19,056.70 is: 28,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,509.57 : 84,705.27 = 19,056.70 : x
  2. Step 2: Convert to fraction form
    56,509.57/84,705.27 = 19,056.70/x
  3. Step 3: Cross multiply
    56,509.57x = 84,705.27 × 19,056.70
  4. Step 4: Simplify right side
    56,509.57x = 1,614,202,918.81
  5. Step 5: Solve for x
    x = 1,614,202,918.81/56,509.57
  6. Step 6: Final answer
    x = 28,565.12

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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.