Home / 56,790.32-84,515.10-54,898.26

Finding the Fourth Proportional to 56,790.32, 84,515.10 and 54,898.26

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Solution

The fourth proportional to 56,790.32, 84,515.10 and 54,898.26 is: 81,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790.32 : 84,515.10 = 54,898.26 : x
  2. Step 2: Convert to fraction form
    56,790.32/84,515.10 = 54,898.26/x
  3. Step 3: Cross multiply
    56,790.32x = 84,515.10 × 54,898.26
  4. Step 4: Simplify right side
    56,790.32x = 4,639,731,410.93
  5. Step 5: Solve for x
    x = 4,639,731,410.93/56,790.32
  6. Step 6: Final answer
    x = 81,699.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.