Home / 84,457.07-126,705.32-24,486.80

Finding the Fourth Proportional to 84,457.07, 126,705.32 and 24,486.80

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Solution

The fourth proportional to 84,457.07, 126,705.32 and 24,486.80 is: 36,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,457.07 : 126,705.32 = 24,486.80 : x
  2. Step 2: Convert to fraction form
    84,457.07/126,705.32 = 24,486.80/x
  3. Step 3: Cross multiply
    84,457.07x = 126,705.32 × 24,486.80
  4. Step 4: Simplify right side
    84,457.07x = 3,102,607,829.78
  5. Step 5: Solve for x
    x = 3,102,607,829.78/84,457.07
  6. Step 6: Final answer
    x = 36,735.92

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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.