Home / 84,762.33-127,651.07-77,195.52

Finding the Fourth Proportional to 84,762.33, 127,651.07 and 77,195.52

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Solution

The fourth proportional to 84,762.33, 127,651.07 and 77,195.52 is: 116,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.33 : 127,651.07 = 77,195.52 : x
  2. Step 2: Convert to fraction form
    84,762.33/127,651.07 = 77,195.52/x
  3. Step 3: Cross multiply
    84,762.33x = 127,651.07 × 77,195.52
  4. Step 4: Simplify right side
    84,762.33x = 9,854,090,920.20
  5. Step 5: Solve for x
    x = 9,854,090,920.20/84,762.33
  6. Step 6: Final answer
    x = 116,255.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.