Home / 85,050.48-127,582.20-25,891.20

Finding the Fourth Proportional to 85,050.48, 127,582.20 and 25,891.20

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Solution

The fourth proportional to 85,050.48, 127,582.20 and 25,891.20 is: 38,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050.48 : 127,582.20 = 25,891.20 : x
  2. Step 2: Convert to fraction form
    85,050.48/127,582.20 = 25,891.20/x
  3. Step 3: Cross multiply
    85,050.48x = 127,582.20 × 25,891.20
  4. Step 4: Simplify right side
    85,050.48x = 3,303,256,256.64
  5. Step 5: Solve for x
    x = 3,303,256,256.64/85,050.48
  6. Step 6: Final answer
    x = 38,838.77

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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.