Home / 89,097.80-133,682.70-39,187.40

Finding the Fourth Proportional to 89,097.80, 133,682.70 and 39,187.40

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Solution

The fourth proportional to 89,097.80, 133,682.70 and 39,187.40 is: 58,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,097.80 : 133,682.70 = 39,187.40 : x
  2. Step 2: Convert to fraction form
    89,097.80/133,682.70 = 39,187.40/x
  3. Step 3: Cross multiply
    89,097.80x = 133,682.70 × 39,187.40
  4. Step 4: Simplify right side
    89,097.80x = 5,238,677,437.98
  5. Step 5: Solve for x
    x = 5,238,677,437.98/89,097.80
  6. Step 6: Final answer
    x = 58,796.93

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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.