Home / 99,354.44-137,111.70-54,035.24

Finding the Fourth Proportional to 99,354.44, 137,111.70 and 54,035.24

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Solution

The fourth proportional to 99,354.44, 137,111.70 and 54,035.24 is: 74,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,354.44 : 137,111.70 = 54,035.24 : x
  2. Step 2: Convert to fraction form
    99,354.44/137,111.70 = 54,035.24/x
  3. Step 3: Cross multiply
    99,354.44x = 137,111.70 × 54,035.24
  4. Step 4: Simplify right side
    99,354.44x = 7,408,863,616.31
  5. Step 5: Solve for x
    x = 7,408,863,616.31/99,354.44
  6. Step 6: Final answer
    x = 74,570.03

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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.