Home / 57,386.10-86,085.70-15,267.90

Finding the Fourth Proportional to 57,386.10, 86,085.70 and 15,267.90

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Solution

The fourth proportional to 57,386.10, 86,085.70 and 15,267.90 is: 22,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,386.10 : 86,085.70 = 15,267.90 : x
  2. Step 2: Convert to fraction form
    57,386.10/86,085.70 = 15,267.90/x
  3. Step 3: Cross multiply
    57,386.10x = 86,085.70 × 15,267.90
  4. Step 4: Simplify right side
    57,386.10x = 1,314,347,859.03
  5. Step 5: Solve for x
    x = 1,314,347,859.03/57,386.10
  6. Step 6: Final answer
    x = 22,903.59

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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.