Home / 89,288.74-133,933.12-69,582.06

Finding the Fourth Proportional to 89,288.74, 133,933.12 and 69,582.06

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Solution

The fourth proportional to 89,288.74, 133,933.12 and 69,582.06 is: 104,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.74 : 133,933.12 = 69,582.06 : x
  2. Step 2: Convert to fraction form
    89,288.74/133,933.12 = 69,582.06/x
  3. Step 3: Cross multiply
    89,288.74x = 133,933.12 × 69,582.06
  4. Step 4: Simplify right side
    89,288.74x = 9,319,342,391.83
  5. Step 5: Solve for x
    x = 9,319,342,391.83/89,288.74
  6. Step 6: Final answer
    x = 104,373.10

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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.