Home / 85,093.32-127,639.92-38,291.52

Finding the Fourth Proportional to 85,093.32, 127,639.92 and 38,291.52

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Solution

The fourth proportional to 85,093.32, 127,639.92 and 38,291.52 is: 57,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.32 : 127,639.92 = 38,291.52 : x
  2. Step 2: Convert to fraction form
    85,093.32/127,639.92 = 38,291.52/x
  3. Step 3: Cross multiply
    85,093.32x = 127,639.92 × 38,291.52
  4. Step 4: Simplify right side
    85,093.32x = 4,887,526,549.48
  5. Step 5: Solve for x
    x = 4,887,526,549.48/85,093.32
  6. Step 6: Final answer
    x = 57,437.25

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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.