Home / 66,055.97-91,207.15-40,597.47

Finding the Fourth Proportional to 66,055.97, 91,207.15 and 40,597.47

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Solution

The fourth proportional to 66,055.97, 91,207.15 and 40,597.47 is: 56,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.97 : 91,207.15 = 40,597.47 : x
  2. Step 2: Convert to fraction form
    66,055.97/91,207.15 = 40,597.47/x
  3. Step 3: Cross multiply
    66,055.97x = 91,207.15 × 40,597.47
  4. Step 4: Simplify right side
    66,055.97x = 3,702,779,434.42
  5. Step 5: Solve for x
    x = 3,702,779,434.42/66,055.97
  6. Step 6: Final answer
    x = 56,055.18

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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.