Home / 91,590.12-137,206.31-63,122.02

Finding the Fourth Proportional to 91,590.12, 137,206.31 and 63,122.02

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Solution

The fourth proportional to 91,590.12, 137,206.31 and 63,122.02 is: 94,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,590.12 : 137,206.31 = 63,122.02 : x
  2. Step 2: Convert to fraction form
    91,590.12/137,206.31 = 63,122.02/x
  3. Step 3: Cross multiply
    91,590.12x = 137,206.31 × 63,122.02
  4. Step 4: Simplify right side
    91,590.12x = 8,660,738,785.32
  5. Step 5: Solve for x
    x = 8,660,738,785.32/91,590.12
  6. Step 6: Final answer
    x = 94,559.75

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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.