Home / 85,025.41-127,533.92-31,713.25

Finding the Fourth Proportional to 85,025.41, 127,533.92 and 31,713.25

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Solution

The fourth proportional to 85,025.41, 127,533.92 and 31,713.25 is: 47,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025.41 : 127,533.92 = 31,713.25 : x
  2. Step 2: Convert to fraction form
    85,025.41/127,533.92 = 31,713.25/x
  3. Step 3: Cross multiply
    85,025.41x = 127,533.92 × 31,713.25
  4. Step 4: Simplify right side
    85,025.41x = 4,044,514,580.67
  5. Step 5: Solve for x
    x = 4,044,514,580.67/85,025.41
  6. Step 6: Final answer
    x = 47,568.30

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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.