Home / 88,741.50-122,465.78-48,457.80

Finding the Fourth Proportional to 88,741.50, 122,465.78 and 48,457.80

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Solution

The fourth proportional to 88,741.50, 122,465.78 and 48,457.80 is: 66,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,741.50 : 122,465.78 = 48,457.80 : x
  2. Step 2: Convert to fraction form
    88,741.50/122,465.78 = 48,457.80/x
  3. Step 3: Cross multiply
    88,741.50x = 122,465.78 × 48,457.80
  4. Step 4: Simplify right side
    88,741.50x = 5,934,422,274.08
  5. Step 5: Solve for x
    x = 5,934,422,274.08/88,741.50
  6. Step 6: Final answer
    x = 66,873.13

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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.