Home / 59,187.20-88,780.80-39,358.40

Finding the Fourth Proportional to 59,187.20, 88,780.80 and 39,358.40

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Solution

The fourth proportional to 59,187.20, 88,780.80 and 39,358.40 is: 59,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,187.20 : 88,780.80 = 39,358.40 : x
  2. Step 2: Convert to fraction form
    59,187.20/88,780.80 = 39,358.40/x
  3. Step 3: Cross multiply
    59,187.20x = 88,780.80 × 39,358.40
  4. Step 4: Simplify right side
    59,187.20x = 3,494,270,238.72
  5. Step 5: Solve for x
    x = 3,494,270,238.72/59,187.20
  6. Step 6: Final answer
    x = 59,037.60

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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.