Home / 87,569.02-120,823-53,565.09

Finding the Fourth Proportional to 87,569.02, 120,823 and 53,565.09

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Solution

The fourth proportional to 87,569.02, 120,823 and 53,565.09 is: 73,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.02 : 120,823 = 53,565.09 : x
  2. Step 2: Convert to fraction form
    87,569.02/120,823 = 53,565.09/x
  3. Step 3: Cross multiply
    87,569.02x = 120,823 × 53,565.09
  4. Step 4: Simplify right side
    87,569.02x = 6,471,894,869.07
  5. Step 5: Solve for x
    x = 6,471,894,869.07/87,569.02
  6. Step 6: Final answer
    x = 73,906.22

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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.