Home / 104,807.31-144,633.21-57,060.57

Finding the Fourth Proportional to 104,807.31, 144,633.21 and 57,060.57

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Solution

The fourth proportional to 104,807.31, 144,633.21 and 57,060.57 is: 78,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,807.31 : 144,633.21 = 57,060.57 : x
  2. Step 2: Convert to fraction form
    104,807.31/144,633.21 = 57,060.57/x
  3. Step 3: Cross multiply
    104,807.31x = 144,633.21 × 57,060.57
  4. Step 4: Simplify right side
    104,807.31x = 8,252,853,403.53
  5. Step 5: Solve for x
    x = 8,252,853,403.53/104,807.31
  6. Step 6: Final answer
    x = 78,743.11

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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.