Home / 58,781.13-88,188.75-21,340.59

Finding the Fourth Proportional to 58,781.13, 88,188.75 and 21,340.59

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Solution

The fourth proportional to 58,781.13, 88,188.75 and 21,340.59 is: 32,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.13 : 88,188.75 = 21,340.59 : x
  2. Step 2: Convert to fraction form
    58,781.13/88,188.75 = 21,340.59/x
  3. Step 3: Cross multiply
    58,781.13x = 88,188.75 × 21,340.59
  4. Step 4: Simplify right side
    58,781.13x = 1,881,999,956.36
  5. Step 5: Solve for x
    x = 1,881,999,956.36/58,781.13
  6. Step 6: Final answer
    x = 32,017.08

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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.