Home / 61,232.49-91,670.31-45,507.15

Finding the Fourth Proportional to 61,232.49, 91,670.31 and 45,507.15

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Solution

The fourth proportional to 61,232.49, 91,670.31 and 45,507.15 is: 68,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,232.49 : 91,670.31 = 45,507.15 : x
  2. Step 2: Convert to fraction form
    61,232.49/91,670.31 = 45,507.15/x
  3. Step 3: Cross multiply
    61,232.49x = 91,670.31 × 45,507.15
  4. Step 4: Simplify right side
    61,232.49x = 4,171,654,547.72
  5. Step 5: Solve for x
    x = 4,171,654,547.72/61,232.49
  6. Step 6: Final answer
    x = 68,128.12

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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.