Home / 87,058.40-130,582.13-51,971.63

Finding the Fourth Proportional to 87,058.40, 130,582.13 and 51,971.63

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Solution

The fourth proportional to 87,058.40, 130,582.13 and 51,971.63 is: 77,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058.40 : 130,582.13 = 51,971.63 : x
  2. Step 2: Convert to fraction form
    87,058.40/130,582.13 = 51,971.63/x
  3. Step 3: Cross multiply
    87,058.40x = 130,582.13 × 51,971.63
  4. Step 4: Simplify right side
    87,058.40x = 6,786,565,232.20
  5. Step 5: Solve for x
    x = 6,786,565,232.20/87,058.40
  6. Step 6: Final answer
    x = 77,954.17

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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.