Home / 74,264.02-102,484.86-40,272.68

Finding the Fourth Proportional to 74,264.02, 102,484.86 and 40,272.68

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Solution

The fourth proportional to 74,264.02, 102,484.86 and 40,272.68 is: 55,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264.02 : 102,484.86 = 40,272.68 : x
  2. Step 2: Convert to fraction form
    74,264.02/102,484.86 = 40,272.68/x
  3. Step 3: Cross multiply
    74,264.02x = 102,484.86 × 40,272.68
  4. Step 4: Simplify right side
    74,264.02x = 4,127,339,971.62
  5. Step 5: Solve for x
    x = 4,127,339,971.62/74,264.02
  6. Step 6: Final answer
    x = 55,576.58

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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.