Home / 75,237.17-112,822.94-28,457.24

Finding the Fourth Proportional to 75,237.17, 112,822.94 and 28,457.24

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Solution

The fourth proportional to 75,237.17, 112,822.94 and 28,457.24 is: 42,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,237.17 : 112,822.94 = 28,457.24 : x
  2. Step 2: Convert to fraction form
    75,237.17/112,822.94 = 28,457.24/x
  3. Step 3: Cross multiply
    75,237.17x = 112,822.94 × 28,457.24
  4. Step 4: Simplify right side
    75,237.17x = 3,210,628,845.83
  5. Step 5: Solve for x
    x = 3,210,628,845.83/75,237.17
  6. Step 6: Final answer
    x = 42,673.44

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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.