Home / 55,649.04-83,528.22-40,815.72

Finding the Fourth Proportional to 55,649.04, 83,528.22 and 40,815.72

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Solution

The fourth proportional to 55,649.04, 83,528.22 and 40,815.72 is: 61,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.04 : 83,528.22 = 40,815.72 : x
  2. Step 2: Convert to fraction form
    55,649.04/83,528.22 = 40,815.72/x
  3. Step 3: Cross multiply
    55,649.04x = 83,528.22 × 40,815.72
  4. Step 4: Simplify right side
    55,649.04x = 3,409,264,439.62
  5. Step 5: Solve for x
    x = 3,409,264,439.62/55,649.04
  6. Step 6: Final answer
    x = 61,263.67

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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.