Home / 89,554.52-123,615.59-55,582.89

Finding the Fourth Proportional to 89,554.52, 123,615.59 and 55,582.89

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Solution

The fourth proportional to 89,554.52, 123,615.59 and 55,582.89 is: 76,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,554.52 : 123,615.59 = 55,582.89 : x
  2. Step 2: Convert to fraction form
    89,554.52/123,615.59 = 55,582.89/x
  3. Step 3: Cross multiply
    89,554.52x = 123,615.59 × 55,582.89
  4. Step 4: Simplify right side
    89,554.52x = 6,870,911,772.38
  5. Step 5: Solve for x
    x = 6,870,911,772.38/89,554.52
  6. Step 6: Final answer
    x = 76,723.23

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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.