Home / 53,711.15-74,155.55-36,743.67

Finding the Fourth Proportional to 53,711.15, 74,155.55 and 36,743.67

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Solution

The fourth proportional to 53,711.15, 74,155.55 and 36,743.67 is: 50,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.15 : 74,155.55 = 36,743.67 : x
  2. Step 2: Convert to fraction form
    53,711.15/74,155.55 = 36,743.67/x
  3. Step 3: Cross multiply
    53,711.15x = 74,155.55 × 36,743.67
  4. Step 4: Simplify right side
    53,711.15x = 2,724,746,874.15
  5. Step 5: Solve for x
    x = 2,724,746,874.15/53,711.15
  6. Step 6: Final answer
    x = 50,729.64

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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.