Home / 88,400.41-121,988.83-48,114.25

Finding the Fourth Proportional to 88,400.41, 121,988.83 and 48,114.25

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Solution

The fourth proportional to 88,400.41, 121,988.83 and 48,114.25 is: 66,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.41 : 121,988.83 = 48,114.25 : x
  2. Step 2: Convert to fraction form
    88,400.41/121,988.83 = 48,114.25/x
  3. Step 3: Cross multiply
    88,400.41x = 121,988.83 × 48,114.25
  4. Step 4: Simplify right side
    88,400.41x = 5,869,401,063.83
  5. Step 5: Solve for x
    x = 5,869,401,063.83/88,400.41
  6. Step 6: Final answer
    x = 66,395.63

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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.