Home / 89,331.55-123,279.48-51,094.63

Finding the Fourth Proportional to 89,331.55, 123,279.48 and 51,094.63

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Solution

The fourth proportional to 89,331.55, 123,279.48 and 51,094.63 is: 70,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,331.55 : 123,279.48 = 51,094.63 : x
  2. Step 2: Convert to fraction form
    89,331.55/123,279.48 = 51,094.63/x
  3. Step 3: Cross multiply
    89,331.55x = 123,279.48 × 51,094.63
  4. Step 4: Simplify right side
    89,331.55x = 6,298,919,417.19
  5. Step 5: Solve for x
    x = 6,298,919,417.19/89,331.55
  6. Step 6: Final answer
    x = 70,511.70

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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.