Home / 85,303.43-127,950.52-26,139.27

Finding the Fourth Proportional to 85,303.43, 127,950.52 and 26,139.27

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Solution

The fourth proportional to 85,303.43, 127,950.52 and 26,139.27 is: 39,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.43 : 127,950.52 = 26,139.27 : x
  2. Step 2: Convert to fraction form
    85,303.43/127,950.52 = 26,139.27/x
  3. Step 3: Cross multiply
    85,303.43x = 127,950.52 × 26,139.27
  4. Step 4: Simplify right side
    85,303.43x = 3,344,533,188.92
  5. Step 5: Solve for x
    x = 3,344,533,188.92/85,303.43
  6. Step 6: Final answer
    x = 39,207.49

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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.