Home / 57,113.58-85,678.56-17,673.78

Finding the Fourth Proportional to 57,113.58, 85,678.56 and 17,673.78

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Solution

The fourth proportional to 57,113.58, 85,678.56 and 17,673.78 is: 26,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.58 : 85,678.56 = 17,673.78 : x
  2. Step 2: Convert to fraction form
    57,113.58/85,678.56 = 17,673.78/x
  3. Step 3: Cross multiply
    57,113.58x = 85,678.56 × 17,673.78
  4. Step 4: Simplify right side
    57,113.58x = 1,514,264,020.16
  5. Step 5: Solve for x
    x = 1,514,264,020.16/57,113.58
  6. Step 6: Final answer
    x = 26,513.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.