Home / 120,693.17-181,036.68-57,557.93

Finding the Fourth Proportional to 120,693.17, 181,036.68 and 57,557.93

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Solution

The fourth proportional to 120,693.17, 181,036.68 and 57,557.93 is: 86,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,693.17 : 181,036.68 = 57,557.93 : x
  2. Step 2: Convert to fraction form
    120,693.17/181,036.68 = 57,557.93/x
  3. Step 3: Cross multiply
    120,693.17x = 181,036.68 × 57,557.93
  4. Step 4: Simplify right side
    120,693.17x = 10,420,095,649.69
  5. Step 5: Solve for x
    x = 10,420,095,649.69/120,693.17
  6. Step 6: Final answer
    x = 86,335.42

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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.