Home / 81,537.03-112,526.01-45,729.16

Finding the Fourth Proportional to 81,537.03, 112,526.01 and 45,729.16

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Solution

The fourth proportional to 81,537.03, 112,526.01 and 45,729.16 is: 63,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.03 : 112,526.01 = 45,729.16 : x
  2. Step 2: Convert to fraction form
    81,537.03/112,526.01 = 45,729.16/x
  3. Step 3: Cross multiply
    81,537.03x = 112,526.01 × 45,729.16
  4. Step 4: Simplify right side
    81,537.03x = 5,145,719,634.14
  5. Step 5: Solve for x
    x = 5,145,719,634.14/81,537.03
  6. Step 6: Final answer
    x = 63,108.99

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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.