Home / 59,261.04-81,781.11-40,146.66

Finding the Fourth Proportional to 59,261.04, 81,781.11 and 40,146.66

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Solution

The fourth proportional to 59,261.04, 81,781.11 and 40,146.66 is: 55,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,261.04 : 81,781.11 = 40,146.66 : x
  2. Step 2: Convert to fraction form
    59,261.04/81,781.11 = 40,146.66/x
  3. Step 3: Cross multiply
    59,261.04x = 81,781.11 × 40,146.66
  4. Step 4: Simplify right side
    59,261.04x = 3,283,238,417.59
  5. Step 5: Solve for x
    x = 3,283,238,417.59/59,261.04
  6. Step 6: Final answer
    x = 55,402.98

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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.