Home / 59,815.40-89,723.10-53,205.80

Finding the Fourth Proportional to 59,815.40, 89,723.10 and 53,205.80

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Solution

The fourth proportional to 59,815.40, 89,723.10 and 53,205.80 is: 79,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,815.40 : 89,723.10 = 53,205.80 : x
  2. Step 2: Convert to fraction form
    59,815.40/89,723.10 = 53,205.80/x
  3. Step 3: Cross multiply
    59,815.40x = 89,723.10 × 53,205.80
  4. Step 4: Simplify right side
    59,815.40x = 4,773,789,313.98
  5. Step 5: Solve for x
    x = 4,773,789,313.98/59,815.40
  6. Step 6: Final answer
    x = 79,808.70

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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.