Home / 89,639.92-134,521.04-58,064.50

Finding the Fourth Proportional to 89,639.92, 134,521.04 and 58,064.50

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Solution

The fourth proportional to 89,639.92, 134,521.04 and 58,064.50 is: 87,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,639.92 : 134,521.04 = 58,064.50 : x
  2. Step 2: Convert to fraction form
    89,639.92/134,521.04 = 58,064.50/x
  3. Step 3: Cross multiply
    89,639.92x = 134,521.04 × 58,064.50
  4. Step 4: Simplify right side
    89,639.92x = 7,810,896,927.08
  5. Step 5: Solve for x
    x = 7,810,896,927.08/89,639.92
  6. Step 6: Final answer
    x = 87,136.37

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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.