Home / 58,795.74-81,129.12-34,921.80

Finding the Fourth Proportional to 58,795.74, 81,129.12 and 34,921.80

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Solution

The fourth proportional to 58,795.74, 81,129.12 and 34,921.80 is: 48,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,795.74 : 81,129.12 = 34,921.80 : x
  2. Step 2: Convert to fraction form
    58,795.74/81,129.12 = 34,921.80/x
  3. Step 3: Cross multiply
    58,795.74x = 81,129.12 × 34,921.80
  4. Step 4: Simplify right side
    58,795.74x = 2,833,174,902.82
  5. Step 5: Solve for x
    x = 2,833,174,902.82/58,795.74
  6. Step 6: Final answer
    x = 48,186.74

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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.