Home / 88,004.58-121,434.72-49,769.34

Finding the Fourth Proportional to 88,004.58, 121,434.72 and 49,769.34

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Solution

The fourth proportional to 88,004.58, 121,434.72 and 49,769.34 is: 68,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.58 : 121,434.72 = 49,769.34 : x
  2. Step 2: Convert to fraction form
    88,004.58/121,434.72 = 49,769.34/x
  3. Step 3: Cross multiply
    88,004.58x = 121,434.72 × 49,769.34
  4. Step 4: Simplify right side
    88,004.58x = 6,043,725,867.48
  5. Step 5: Solve for x
    x = 6,043,725,867.48/88,004.58
  6. Step 6: Final answer
    x = 68,675.13

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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.