Home / 89,666.39-123,711.71-50,897.77

Finding the Fourth Proportional to 89,666.39, 123,711.71 and 50,897.77

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Solution

The fourth proportional to 89,666.39, 123,711.71 and 50,897.77 is: 70,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666.39 : 123,711.71 = 50,897.77 : x
  2. Step 2: Convert to fraction form
    89,666.39/123,711.71 = 50,897.77/x
  3. Step 3: Cross multiply
    89,666.39x = 123,711.71 × 50,897.77
  4. Step 4: Simplify right side
    89,666.39x = 6,296,649,598.12
  5. Step 5: Solve for x
    x = 6,296,649,598.12/89,666.39
  6. Step 6: Final answer
    x = 70,223.07

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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.