Home / 58,781.34-88,178.09-19,338.40

Finding the Fourth Proportional to 58,781.34, 88,178.09 and 19,338.40

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Solution

The fourth proportional to 58,781.34, 88,178.09 and 19,338.40 is: 29,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.34 : 88,178.09 = 19,338.40 : x
  2. Step 2: Convert to fraction form
    58,781.34/88,178.09 = 19,338.40/x
  3. Step 3: Cross multiply
    58,781.34x = 88,178.09 × 19,338.40
  4. Step 4: Simplify right side
    58,781.34x = 1,705,223,175.66
  5. Step 5: Solve for x
    x = 1,705,223,175.66/58,781.34
  6. Step 6: Final answer
    x = 29,009.60

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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.