Home / 85,303.93-127,951.27-26,139.77

Finding the Fourth Proportional to 85,303.93, 127,951.27 and 26,139.77

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Solution

The fourth proportional to 85,303.93, 127,951.27 and 26,139.77 is: 39,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.93 : 127,951.27 = 26,139.77 : x
  2. Step 2: Convert to fraction form
    85,303.93/127,951.27 = 26,139.77/x
  3. Step 3: Cross multiply
    85,303.93x = 127,951.27 × 26,139.77
  4. Step 4: Simplify right side
    85,303.93x = 3,344,616,769.01
  5. Step 5: Solve for x
    x = 3,344,616,769.01/85,303.93
  6. Step 6: Final answer
    x = 39,208.24

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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.