Home / 102,347.48-141,249.92-57,032.84

Finding the Fourth Proportional to 102,347.48, 141,249.92 and 57,032.84

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Solution

The fourth proportional to 102,347.48, 141,249.92 and 57,032.84 is: 78,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,347.48 : 141,249.92 = 57,032.84 : x
  2. Step 2: Convert to fraction form
    102,347.48/141,249.92 = 57,032.84/x
  3. Step 3: Cross multiply
    102,347.48x = 141,249.92 × 57,032.84
  4. Step 4: Simplify right side
    102,347.48x = 8,055,883,095.96
  5. Step 5: Solve for x
    x = 8,055,883,095.96/102,347.48
  6. Step 6: Final answer
    x = 78,711.11

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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.