Home / 57,111.54-85,671.63-17,672.64

Finding the Fourth Proportional to 57,111.54, 85,671.63 and 17,672.64

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Solution

The fourth proportional to 57,111.54, 85,671.63 and 17,672.64 is: 26,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.54 : 85,671.63 = 17,672.64 : x
  2. Step 2: Convert to fraction form
    57,111.54/85,671.63 = 17,672.64/x
  3. Step 3: Cross multiply
    57,111.54x = 85,671.63 × 17,672.64
  4. Step 4: Simplify right side
    57,111.54x = 1,514,043,875.20
  5. Step 5: Solve for x
    x = 1,514,043,875.20/57,111.54
  6. Step 6: Final answer
    x = 26,510.30

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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.