Home / 55,622.15-83,432.50-13,502.57

Finding the Fourth Proportional to 55,622.15, 83,432.50 and 13,502.57

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Solution

The fourth proportional to 55,622.15, 83,432.50 and 13,502.57 is: 20,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,622.15 : 83,432.50 = 13,502.57 : x
  2. Step 2: Convert to fraction form
    55,622.15/83,432.50 = 13,502.57/x
  3. Step 3: Cross multiply
    55,622.15x = 83,432.50 × 13,502.57
  4. Step 4: Simplify right side
    55,622.15x = 1,126,552,686.85
  5. Step 5: Solve for x
    x = 1,126,552,686.85/55,622.15
  6. Step 6: Final answer
    x = 20,253.67

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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.