Home / 88,043.52-121,498.88-50,316.80

Finding the Fourth Proportional to 88,043.52, 121,498.88 and 50,316.80

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Solution

The fourth proportional to 88,043.52, 121,498.88 and 50,316.80 is: 69,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,043.52 : 121,498.88 = 50,316.80 : x
  2. Step 2: Convert to fraction form
    88,043.52/121,498.88 = 50,316.80/x
  3. Step 3: Cross multiply
    88,043.52x = 121,498.88 × 50,316.80
  4. Step 4: Simplify right side
    88,043.52x = 6,113,434,845.18
  5. Step 5: Solve for x
    x = 6,113,434,845.18/88,043.52
  6. Step 6: Final answer
    x = 69,436.51

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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.