Home / 75,287.94-112,938.05-37,828.68

Finding the Fourth Proportional to 75,287.94, 112,938.05 and 37,828.68

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Solution

The fourth proportional to 75,287.94, 112,938.05 and 37,828.68 is: 56,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.94 : 112,938.05 = 37,828.68 : x
  2. Step 2: Convert to fraction form
    75,287.94/112,938.05 = 37,828.68/x
  3. Step 3: Cross multiply
    75,287.94x = 112,938.05 × 37,828.68
  4. Step 4: Simplify right side
    75,287.94x = 4,272,297,353.27
  5. Step 5: Solve for x
    x = 4,272,297,353.27/75,287.94
  6. Step 6: Final answer
    x = 56,746.11

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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.