Home / 87,266.67-130,911.75-28,088.07

Finding the Fourth Proportional to 87,266.67, 130,911.75 and 28,088.07

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Solution

The fourth proportional to 87,266.67, 130,911.75 and 28,088.07 is: 42,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.67 : 130,911.75 = 28,088.07 : x
  2. Step 2: Convert to fraction form
    87,266.67/130,911.75 = 28,088.07/x
  3. Step 3: Cross multiply
    87,266.67x = 130,911.75 × 28,088.07
  4. Step 4: Simplify right side
    87,266.67x = 3,677,058,397.82
  5. Step 5: Solve for x
    x = 3,677,058,397.82/87,266.67
  6. Step 6: Final answer
    x = 42,135.89

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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.