Home / 74,211.92-102,510.60-55,316.24

Finding the Fourth Proportional to 74,211.92, 102,510.60 and 55,316.24

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Solution

The fourth proportional to 74,211.92, 102,510.60 and 55,316.24 is: 76,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211.92 : 102,510.60 = 55,316.24 : x
  2. Step 2: Convert to fraction form
    74,211.92/102,510.60 = 55,316.24/x
  3. Step 3: Cross multiply
    74,211.92x = 102,510.60 × 55,316.24
  4. Step 4: Simplify right side
    74,211.92x = 5,670,500,952.14
  5. Step 5: Solve for x
    x = 5,670,500,952.14/74,211.92
  6. Step 6: Final answer
    x = 76,409.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.