Home / 102,357.34-141,249.40-57,032.98

Finding the Fourth Proportional to 102,357.34, 141,249.40 and 57,032.98

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Solution

The fourth proportional to 102,357.34, 141,249.40 and 57,032.98 is: 78,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,357.34 : 141,249.40 = 57,032.98 : x
  2. Step 2: Convert to fraction form
    102,357.34/141,249.40 = 57,032.98/x
  3. Step 3: Cross multiply
    102,357.34x = 141,249.40 × 57,032.98
  4. Step 4: Simplify right side
    102,357.34x = 8,055,874,205.21
  5. Step 5: Solve for x
    x = 8,055,874,205.21/102,357.34
  6. Step 6: Final answer
    x = 78,703.43

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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.