Home / 93,273.48-128,711.16-55,031.04

Finding the Fourth Proportional to 93,273.48, 128,711.16 and 55,031.04

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Solution

The fourth proportional to 93,273.48, 128,711.16 and 55,031.04 is: 75,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,273.48 : 128,711.16 = 55,031.04 : x
  2. Step 2: Convert to fraction form
    93,273.48/128,711.16 = 55,031.04/x
  3. Step 3: Cross multiply
    93,273.48x = 128,711.16 × 55,031.04
  4. Step 4: Simplify right side
    93,273.48x = 7,083,108,994.41
  5. Step 5: Solve for x
    x = 7,083,108,994.41/93,273.48
  6. Step 6: Final answer
    x = 75,939.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.