Home / 99,141.44-136,814.23-53,818.45

Finding the Fourth Proportional to 99,141.44, 136,814.23 and 53,818.45

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Solution

The fourth proportional to 99,141.44, 136,814.23 and 53,818.45 is: 74,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,141.44 : 136,814.23 = 53,818.45 : x
  2. Step 2: Convert to fraction form
    99,141.44/136,814.23 = 53,818.45/x
  3. Step 3: Cross multiply
    99,141.44x = 136,814.23 × 53,818.45
  4. Step 4: Simplify right side
    99,141.44x = 7,363,129,796.54
  5. Step 5: Solve for x
    x = 7,363,129,796.54/99,141.44
  6. Step 6: Final answer
    x = 74,268.94

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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.