Home / 82,996.48-114,498.66-56,129.08

Finding the Fourth Proportional to 82,996.48, 114,498.66 and 56,129.08

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Solution

The fourth proportional to 82,996.48, 114,498.66 and 56,129.08 is: 77,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,996.48 : 114,498.66 = 56,129.08 : x
  2. Step 2: Convert to fraction form
    82,996.48/114,498.66 = 56,129.08/x
  3. Step 3: Cross multiply
    82,996.48x = 114,498.66 × 56,129.08
  4. Step 4: Simplify right side
    82,996.48x = 6,426,704,447.03
  5. Step 5: Solve for x
    x = 6,426,704,447.03/82,996.48
  6. Step 6: Final answer
    x = 77,433.46

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1.5x scale

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.