Home / 66,124.23-91,259.78-40,977.51

Finding the Fourth Proportional to 66,124.23, 91,259.78 and 40,977.51

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Solution

The fourth proportional to 66,124.23, 91,259.78 and 40,977.51 is: 56,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,124.23 : 91,259.78 = 40,977.51 : x
  2. Step 2: Convert to fraction form
    66,124.23/91,259.78 = 40,977.51/x
  3. Step 3: Cross multiply
    66,124.23x = 91,259.78 × 40,977.51
  4. Step 4: Simplify right side
    66,124.23x = 3,739,598,342.66
  5. Step 5: Solve for x
    x = 3,739,598,342.66/66,124.23
  6. Step 6: Final answer
    x = 56,554.13

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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.