Home / 82,854.10-114,381.09-56,137.30

Finding the Fourth Proportional to 82,854.10, 114,381.09 and 56,137.30

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Solution

The fourth proportional to 82,854.10, 114,381.09 and 56,137.30 is: 77,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,854.10 : 114,381.09 = 56,137.30 : x
  2. Step 2: Convert to fraction form
    82,854.10/114,381.09 = 56,137.30/x
  3. Step 3: Cross multiply
    82,854.10x = 114,381.09 × 56,137.30
  4. Step 4: Simplify right side
    82,854.10x = 6,421,045,563.66
  5. Step 5: Solve for x
    x = 6,421,045,563.66/82,854.10
  6. Step 6: Final answer
    x = 77,498.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.