Home / 84,802.78-127,054.48-51,455.13

Finding the Fourth Proportional to 84,802.78, 127,054.48 and 51,455.13

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Solution

The fourth proportional to 84,802.78, 127,054.48 and 51,455.13 is: 77,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.78 : 127,054.48 = 51,455.13 : x
  2. Step 2: Convert to fraction form
    84,802.78/127,054.48 = 51,455.13/x
  3. Step 3: Cross multiply
    84,802.78x = 127,054.48 × 51,455.13
  4. Step 4: Simplify right side
    84,802.78x = 6,537,604,785.48
  5. Step 5: Solve for x
    x = 6,537,604,785.48/84,802.78
  6. Step 6: Final answer
    x = 77,091.87

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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.