Home / 89,864.97-134,813.31-30,686.77

Finding the Fourth Proportional to 89,864.97, 134,813.31 and 30,686.77

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Solution

The fourth proportional to 89,864.97, 134,813.31 and 30,686.77 is: 46,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.97 : 134,813.31 = 30,686.77 : x
  2. Step 2: Convert to fraction form
    89,864.97/134,813.31 = 30,686.77/x
  3. Step 3: Cross multiply
    89,864.97x = 134,813.31 × 30,686.77
  4. Step 4: Simplify right side
    89,864.97x = 4,136,985,036.91
  5. Step 5: Solve for x
    x = 4,136,985,036.91/89,864.97
  6. Step 6: Final answer
    x = 46,035.57

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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.