Home / 89,841.78-134,782.59-26,666.94

Finding the Fourth Proportional to 89,841.78, 134,782.59 and 26,666.94

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Solution

The fourth proportional to 89,841.78, 134,782.59 and 26,666.94 is: 40,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,841.78 : 134,782.59 = 26,666.94 : x
  2. Step 2: Convert to fraction form
    89,841.78/134,782.59 = 26,666.94/x
  3. Step 3: Cross multiply
    89,841.78x = 134,782.59 × 26,666.94
  4. Step 4: Simplify right side
    89,841.78x = 3,594,239,240.57
  5. Step 5: Solve for x
    x = 3,594,239,240.57/89,841.78
  6. Step 6: Final answer
    x = 40,006.32

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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.