Home / 58,148.51-87,167.40-18,677.95

Finding the Fourth Proportional to 58,148.51, 87,167.40 and 18,677.95

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Solution

The fourth proportional to 58,148.51, 87,167.40 and 18,677.95 is: 27,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,148.51 : 87,167.40 = 18,677.95 : x
  2. Step 2: Convert to fraction form
    58,148.51/87,167.40 = 18,677.95/x
  3. Step 3: Cross multiply
    58,148.51x = 87,167.40 × 18,677.95
  4. Step 4: Simplify right side
    58,148.51x = 1,628,108,120.91
  5. Step 5: Solve for x
    x = 1,628,108,120.91/58,148.51
  6. Step 6: Final answer
    x = 27,999.14

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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.