Home / 74,946.86-112,426.80-30,576.68

Finding the Fourth Proportional to 74,946.86, 112,426.80 and 30,576.68

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Solution

The fourth proportional to 74,946.86, 112,426.80 and 30,576.68 is: 45,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.86 : 112,426.80 = 30,576.68 : x
  2. Step 2: Convert to fraction form
    74,946.86/112,426.80 = 30,576.68/x
  3. Step 3: Cross multiply
    74,946.86x = 112,426.80 × 30,576.68
  4. Step 4: Simplify right side
    74,946.86x = 3,437,638,287.02
  5. Step 5: Solve for x
    x = 3,437,638,287.02/74,946.86
  6. Step 6: Final answer
    x = 45,867.68

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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.