Home / 93,772.08-140,628.96-31,428

Finding the Fourth Proportional to 93,772.08, 140,628.96 and 31,428

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Solution

The fourth proportional to 93,772.08, 140,628.96 and 31,428 is: 47,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,772.08 : 140,628.96 = 31,428 : x
  2. Step 2: Convert to fraction form
    93,772.08/140,628.96 = 31,428/x
  3. Step 3: Cross multiply
    93,772.08x = 140,628.96 × 31,428
  4. Step 4: Simplify right side
    93,772.08x = 4,419,686,954.88
  5. Step 5: Solve for x
    x = 4,419,686,954.88/93,772.08
  6. Step 6: Final answer
    x = 47,132.23

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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.