Home / 98,992.13-136,609.74-56,575.26

Finding the Fourth Proportional to 98,992.13, 136,609.74 and 56,575.26

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Solution

The fourth proportional to 98,992.13, 136,609.74 and 56,575.26 is: 78,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,992.13 : 136,609.74 = 56,575.26 : x
  2. Step 2: Convert to fraction form
    98,992.13/136,609.74 = 56,575.26/x
  3. Step 3: Cross multiply
    98,992.13x = 136,609.74 × 56,575.26
  4. Step 4: Simplify right side
    98,992.13x = 7,728,731,559.03
  5. Step 5: Solve for x
    x = 7,728,731,559.03/98,992.13
  6. Step 6: Final answer
    x = 78,074.21

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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.