Home / 67,530.51-93,195.36-40,681.44

Finding the Fourth Proportional to 67,530.51, 93,195.36 and 40,681.44

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Solution

The fourth proportional to 67,530.51, 93,195.36 and 40,681.44 is: 56,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,530.51 : 93,195.36 = 40,681.44 : x
  2. Step 2: Convert to fraction form
    67,530.51/93,195.36 = 40,681.44/x
  3. Step 3: Cross multiply
    67,530.51x = 93,195.36 × 40,681.44
  4. Step 4: Simplify right side
    67,530.51x = 3,791,321,446.12
  5. Step 5: Solve for x
    x = 3,791,321,446.12/67,530.51
  6. Step 6: Final answer
    x = 56,142.35

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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.