Home / 72,664.28-100,273.48-42,452.40

Finding the Fourth Proportional to 72,664.28, 100,273.48 and 42,452.40

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Solution

The fourth proportional to 72,664.28, 100,273.48 and 42,452.40 is: 58,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,664.28 : 100,273.48 = 42,452.40 : x
  2. Step 2: Convert to fraction form
    72,664.28/100,273.48 = 42,452.40/x
  3. Step 3: Cross multiply
    72,664.28x = 100,273.48 × 42,452.40
  4. Step 4: Simplify right side
    72,664.28x = 4,256,849,882.35
  5. Step 5: Solve for x
    x = 4,256,849,882.35/72,664.28
  6. Step 6: Final answer
    x = 58,582.43

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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.