Home / 85,235.47-127,832.67-26,071.65

Finding the Fourth Proportional to 85,235.47, 127,832.67 and 26,071.65

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Solution

The fourth proportional to 85,235.47, 127,832.67 and 26,071.65 is: 39,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235.47 : 127,832.67 = 26,071.65 : x
  2. Step 2: Convert to fraction form
    85,235.47/127,832.67 = 26,071.65/x
  3. Step 3: Cross multiply
    85,235.47x = 127,832.67 × 26,071.65
  4. Step 4: Simplify right side
    85,235.47x = 3,332,808,630.81
  5. Step 5: Solve for x
    x = 3,332,808,630.81/85,235.47
  6. Step 6: Final answer
    x = 39,101.19

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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.