Home / 89,890.04-134,838.18-33,724.40

Finding the Fourth Proportional to 89,890.04, 134,838.18 and 33,724.40

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Solution

The fourth proportional to 89,890.04, 134,838.18 and 33,724.40 is: 50,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890.04 : 134,838.18 = 33,724.40 : x
  2. Step 2: Convert to fraction form
    89,890.04/134,838.18 = 33,724.40/x
  3. Step 3: Cross multiply
    89,890.04x = 134,838.18 × 33,724.40
  4. Step 4: Simplify right side
    89,890.04x = 4,547,336,717.59
  5. Step 5: Solve for x
    x = 4,547,336,717.59/89,890.04
  6. Step 6: Final answer
    x = 50,587.77

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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.