Home / 58,112.17-87,156.77-15,981.38

Finding the Fourth Proportional to 58,112.17, 87,156.77 and 15,981.38

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Solution

The fourth proportional to 58,112.17, 87,156.77 and 15,981.38 is: 23,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,112.17 : 87,156.77 = 15,981.38 : x
  2. Step 2: Convert to fraction form
    58,112.17/87,156.77 = 15,981.38/x
  3. Step 3: Cross multiply
    58,112.17x = 87,156.77 × 15,981.38
  4. Step 4: Simplify right side
    58,112.17x = 1,392,885,065.11
  5. Step 5: Solve for x
    x = 1,392,885,065.11/58,112.17
  6. Step 6: Final answer
    x = 23,968.91

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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.