Home / 82,869.68-124,366.43-56,152.32

Finding the Fourth Proportional to 82,869.68, 124,366.43 and 56,152.32

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Solution

The fourth proportional to 82,869.68, 124,366.43 and 56,152.32 is: 84,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.68 : 124,366.43 = 56,152.32 : x
  2. Step 2: Convert to fraction form
    82,869.68/124,366.43 = 56,152.32/x
  3. Step 3: Cross multiply
    82,869.68x = 124,366.43 × 56,152.32
  4. Step 4: Simplify right side
    82,869.68x = 6,983,463,574.62
  5. Step 5: Solve for x
    x = 6,983,463,574.62/82,869.68
  6. Step 6: Final answer
    x = 84,270.43

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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.