Home / 113,130.12-156,115.28-62,832.36

Finding the Fourth Proportional to 113,130.12, 156,115.28 and 62,832.36

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Solution

The fourth proportional to 113,130.12, 156,115.28 and 62,832.36 is: 86,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,130.12 : 156,115.28 = 62,832.36 : x
  2. Step 2: Convert to fraction form
    113,130.12/156,115.28 = 62,832.36/x
  3. Step 3: Cross multiply
    113,130.12x = 156,115.28 × 62,832.36
  4. Step 4: Simplify right side
    113,130.12x = 9,809,091,474.46
  5. Step 5: Solve for x
    x = 9,809,091,474.46/113,130.12
  6. Step 6: Final answer
    x = 86,706.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.