Home / 85,206.64-127,809.96-26,041.81

Finding the Fourth Proportional to 85,206.64, 127,809.96 and 26,041.81

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Solution

The fourth proportional to 85,206.64, 127,809.96 and 26,041.81 is: 39,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,206.64 : 127,809.96 = 26,041.81 : x
  2. Step 2: Convert to fraction form
    85,206.64/127,809.96 = 26,041.81/x
  3. Step 3: Cross multiply
    85,206.64x = 127,809.96 × 26,041.81
  4. Step 4: Simplify right side
    85,206.64x = 3,328,402,663.37
  5. Step 5: Solve for x
    x = 3,328,402,663.37/85,206.64
  6. Step 6: Final answer
    x = 39,062.71

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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.