Home / 89,315.07-133,984.92-33,150.40

Finding the Fourth Proportional to 89,315.07, 133,984.92 and 33,150.40

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Solution

The fourth proportional to 89,315.07, 133,984.92 and 33,150.40 is: 49,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,315.07 : 133,984.92 = 33,150.40 : x
  2. Step 2: Convert to fraction form
    89,315.07/133,984.92 = 33,150.40/x
  3. Step 3: Cross multiply
    89,315.07x = 133,984.92 × 33,150.40
  4. Step 4: Simplify right side
    89,315.07x = 4,441,653,999.95
  5. Step 5: Solve for x
    x = 4,441,653,999.95/89,315.07
  6. Step 6: Final answer
    x = 49,730.18

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1.5x scale

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.