Home / 97,046.12-133,929.75-58,809.02

Finding the Fourth Proportional to 97,046.12, 133,929.75 and 58,809.02

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Solution

The fourth proportional to 97,046.12, 133,929.75 and 58,809.02 is: 81,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,046.12 : 133,929.75 = 58,809.02 : x
  2. Step 2: Convert to fraction form
    97,046.12/133,929.75 = 58,809.02/x
  3. Step 3: Cross multiply
    97,046.12x = 133,929.75 × 58,809.02
  4. Step 4: Simplify right side
    97,046.12x = 7,876,276,676.70
  5. Step 5: Solve for x
    x = 7,876,276,676.70/97,046.12
  6. Step 6: Final answer
    x = 81,160.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.