Home / 74,263.66-102,484.64-40,272.21

Finding the Fourth Proportional to 74,263.66, 102,484.64 and 40,272.21

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Solution

The fourth proportional to 74,263.66, 102,484.64 and 40,272.21 is: 55,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.66 : 102,484.64 = 40,272.21 : x
  2. Step 2: Convert to fraction form
    74,263.66/102,484.64 = 40,272.21/x
  3. Step 3: Cross multiply
    74,263.66x = 102,484.64 × 40,272.21
  4. Step 4: Simplify right side
    74,263.66x = 4,127,283,044.53
  5. Step 5: Solve for x
    x = 4,127,283,044.53/74,263.66
  6. Step 6: Final answer
    x = 55,576.08

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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.