Home / 57,730.86-79,625.43-38,864.34

Finding the Fourth Proportional to 57,730.86, 79,625.43 and 38,864.34

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Solution

The fourth proportional to 57,730.86, 79,625.43 and 38,864.34 is: 53,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730.86 : 79,625.43 = 38,864.34 : x
  2. Step 2: Convert to fraction form
    57,730.86/79,625.43 = 38,864.34/x
  3. Step 3: Cross multiply
    57,730.86x = 79,625.43 × 38,864.34
  4. Step 4: Simplify right side
    57,730.86x = 3,094,589,784.17
  5. Step 5: Solve for x
    x = 3,094,589,784.17/57,730.86
  6. Step 6: Final answer
    x = 53,603.74

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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.