Home / 88,435.40-132,458.70-53,313.80

Finding the Fourth Proportional to 88,435.40, 132,458.70 and 53,313.80

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Solution

The fourth proportional to 88,435.40, 132,458.70 and 53,313.80 is: 79,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,435.40 : 132,458.70 = 53,313.80 : x
  2. Step 2: Convert to fraction form
    88,435.40/132,458.70 = 53,313.80/x
  3. Step 3: Cross multiply
    88,435.40x = 132,458.70 × 53,313.80
  4. Step 4: Simplify right side
    88,435.40x = 7,061,876,640.06
  5. Step 5: Solve for x
    x = 7,061,876,640.06/88,435.40
  6. Step 6: Final answer
    x = 79,853.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.