Home / 85,095.32-127,642.92-38,293.52

Finding the Fourth Proportional to 85,095.32, 127,642.92 and 38,293.52

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Solution

The fourth proportional to 85,095.32, 127,642.92 and 38,293.52 is: 57,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.32 : 127,642.92 = 38,293.52 : x
  2. Step 2: Convert to fraction form
    85,095.32/127,642.92 = 38,293.52/x
  3. Step 3: Cross multiply
    85,095.32x = 127,642.92 × 38,293.52
  4. Step 4: Simplify right side
    85,095.32x = 4,887,896,709.88
  5. Step 5: Solve for x
    x = 4,887,896,709.88/85,095.32
  6. Step 6: Final answer
    x = 57,440.25

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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.