Home / 58,085.81-87,118.29-15,391.52

Finding the Fourth Proportional to 58,085.81, 87,118.29 and 15,391.52

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Solution

The fourth proportional to 58,085.81, 87,118.29 and 15,391.52 is: 23,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,085.81 : 87,118.29 = 15,391.52 : x
  2. Step 2: Convert to fraction form
    58,085.81/87,118.29 = 15,391.52/x
  3. Step 3: Cross multiply
    58,085.81x = 87,118.29 × 15,391.52
  4. Step 4: Simplify right side
    58,085.81x = 1,340,882,902.90
  5. Step 5: Solve for x
    x = 1,340,882,902.90/58,085.81
  6. Step 6: Final answer
    x = 23,084.52

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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.