Home / 99,347.63-137,100.37-54,026.10

Finding the Fourth Proportional to 99,347.63, 137,100.37 and 54,026.10

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Solution

The fourth proportional to 99,347.63, 137,100.37 and 54,026.10 is: 74,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,347.63 : 137,100.37 = 54,026.10 : x
  2. Step 2: Convert to fraction form
    99,347.63/137,100.37 = 54,026.10/x
  3. Step 3: Cross multiply
    99,347.63x = 137,100.37 × 54,026.10
  4. Step 4: Simplify right side
    99,347.63x = 7,406,998,299.66
  5. Step 5: Solve for x
    x = 7,406,998,299.66/99,347.63
  6. Step 6: Final answer
    x = 74,556.37

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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.