Home / 89,927.89-134,974.69-45,585.65

Finding the Fourth Proportional to 89,927.89, 134,974.69 and 45,585.65

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Solution

The fourth proportional to 89,927.89, 134,974.69 and 45,585.65 is: 68,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,927.89 : 134,974.69 = 45,585.65 : x
  2. Step 2: Convert to fraction form
    89,927.89/134,974.69 = 45,585.65/x
  3. Step 3: Cross multiply
    89,927.89x = 134,974.69 × 45,585.65
  4. Step 4: Simplify right side
    89,927.89x = 6,152,909,200.67
  5. Step 5: Solve for x
    x = 6,152,909,200.67/89,927.89
  6. Step 6: Final answer
    x = 68,420.48

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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.