Home / 77,807.96-116,536.89-54,538.28

Finding the Fourth Proportional to 77,807.96, 116,536.89 and 54,538.28

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Solution

The fourth proportional to 77,807.96, 116,536.89 and 54,538.28 is: 81,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,807.96 : 116,536.89 = 54,538.28 : x
  2. Step 2: Convert to fraction form
    77,807.96/116,536.89 = 54,538.28/x
  3. Step 3: Cross multiply
    77,807.96x = 116,536.89 × 54,538.28
  4. Step 4: Simplify right side
    77,807.96x = 6,355,721,537.15
  5. Step 5: Solve for x
    x = 6,355,721,537.15/77,807.96
  6. Step 6: Final answer
    x = 81,684.72

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1.5x scale

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.