Home / 89,211.56-133,823.82-30,047.24

Finding the Fourth Proportional to 89,211.56, 133,823.82 and 30,047.24

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Solution

The fourth proportional to 89,211.56, 133,823.82 and 30,047.24 is: 45,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.56 : 133,823.82 = 30,047.24 : x
  2. Step 2: Convert to fraction form
    89,211.56/133,823.82 = 30,047.24/x
  3. Step 3: Cross multiply
    89,211.56x = 133,823.82 × 30,047.24
  4. Step 4: Simplify right side
    89,211.56x = 4,021,036,437.26
  5. Step 5: Solve for x
    x = 4,021,036,437.26/89,211.56
  6. Step 6: Final answer
    x = 45,073.04

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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.