Home / 87,554.72-120,875.28-57,833.12

Finding the Fourth Proportional to 87,554.72, 120,875.28 and 57,833.12

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Solution

The fourth proportional to 87,554.72, 120,875.28 and 57,833.12 is: 79,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,554.72 : 120,875.28 = 57,833.12 : x
  2. Step 2: Convert to fraction form
    87,554.72/120,875.28 = 57,833.12/x
  3. Step 3: Cross multiply
    87,554.72x = 120,875.28 × 57,833.12
  4. Step 4: Simplify right side
    87,554.72x = 6,990,594,573.27
  5. Step 5: Solve for x
    x = 6,990,594,573.27/87,554.72
  6. Step 6: Final answer
    x = 79,842.58

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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.