Home / 89,434.36-123,267.18-61,090.84

Finding the Fourth Proportional to 89,434.36, 123,267.18 and 61,090.84

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Solution

The fourth proportional to 89,434.36, 123,267.18 and 61,090.84 is: 84,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,434.36 : 123,267.18 = 61,090.84 : x
  2. Step 2: Convert to fraction form
    89,434.36/123,267.18 = 61,090.84/x
  3. Step 3: Cross multiply
    89,434.36x = 123,267.18 × 61,090.84
  4. Step 4: Simplify right side
    89,434.36x = 7,530,495,570.63
  5. Step 5: Solve for x
    x = 7,530,495,570.63/89,434.36
  6. Step 6: Final answer
    x = 84,201.37

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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.