Home / 74,384.48-111,576.80-52,296.64

Finding the Fourth Proportional to 74,384.48, 111,576.80 and 52,296.64

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Solution

The fourth proportional to 74,384.48, 111,576.80 and 52,296.64 is: 78,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.48 : 111,576.80 = 52,296.64 : x
  2. Step 2: Convert to fraction form
    74,384.48/111,576.80 = 52,296.64/x
  3. Step 3: Cross multiply
    74,384.48x = 111,576.80 × 52,296.64
  4. Step 4: Simplify right side
    74,384.48x = 5,835,091,741.95
  5. Step 5: Solve for x
    x = 5,835,091,741.95/74,384.48
  6. Step 6: Final answer
    x = 78,445.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.