Home / 92,550.40-127,710.48-54,817.36

Finding the Fourth Proportional to 92,550.40, 127,710.48 and 54,817.36

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Solution

The fourth proportional to 92,550.40, 127,710.48 and 54,817.36 is: 75,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,550.40 : 127,710.48 = 54,817.36 : x
  2. Step 2: Convert to fraction form
    92,550.40/127,710.48 = 54,817.36/x
  3. Step 3: Cross multiply
    92,550.40x = 127,710.48 × 54,817.36
  4. Step 4: Simplify right side
    92,550.40x = 7,000,751,357.93
  5. Step 5: Solve for x
    x = 7,000,751,357.93/92,550.40
  6. Step 6: Final answer
    x = 75,642.58

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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.