Home / 74,565.86-111,852.24-21,261.46

Finding the Fourth Proportional to 74,565.86, 111,852.24 and 21,261.46

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Solution

The fourth proportional to 74,565.86, 111,852.24 and 21,261.46 is: 31,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.86 : 111,852.24 = 21,261.46 : x
  2. Step 2: Convert to fraction form
    74,565.86/111,852.24 = 21,261.46/x
  3. Step 3: Cross multiply
    74,565.86x = 111,852.24 × 21,261.46
  4. Step 4: Simplify right side
    74,565.86x = 2,378,141,926.67
  5. Step 5: Solve for x
    x = 2,378,141,926.67/74,565.86
  6. Step 6: Final answer
    x = 31,893.17

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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.