Home / 99,732.87-137,612.57-59,450.38

Finding the Fourth Proportional to 99,732.87, 137,612.57 and 59,450.38

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Solution

The fourth proportional to 99,732.87, 137,612.57 and 59,450.38 is: 82,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732.87 : 137,612.57 = 59,450.38 : x
  2. Step 2: Convert to fraction form
    99,732.87/137,612.57 = 59,450.38/x
  3. Step 3: Cross multiply
    99,732.87x = 137,612.57 × 59,450.38
  4. Step 4: Simplify right side
    99,732.87x = 8,181,118,937.99
  5. Step 5: Solve for x
    x = 8,181,118,937.99/99,732.87
  6. Step 6: Final answer
    x = 82,030.32

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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.