Home / 88,343.88-121,911.39-48,056.10

Finding the Fourth Proportional to 88,343.88, 121,911.39 and 48,056.10

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Solution

The fourth proportional to 88,343.88, 121,911.39 and 48,056.10 is: 66,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,343.88 : 121,911.39 = 48,056.10 : x
  2. Step 2: Convert to fraction form
    88,343.88/121,911.39 = 48,056.10/x
  3. Step 3: Cross multiply
    88,343.88x = 121,911.39 × 48,056.10
  4. Step 4: Simplify right side
    88,343.88x = 5,858,585,948.98
  5. Step 5: Solve for x
    x = 5,858,585,948.98/88,343.88
  6. Step 6: Final answer
    x = 66,315.70

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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.