Home / 53,011.45-73,155.96-29,140.57

Finding the Fourth Proportional to 53,011.45, 73,155.96 and 29,140.57

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Solution

The fourth proportional to 53,011.45, 73,155.96 and 29,140.57 is: 40,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.45 : 73,155.96 = 29,140.57 : x
  2. Step 2: Convert to fraction form
    53,011.45/73,155.96 = 29,140.57/x
  3. Step 3: Cross multiply
    53,011.45x = 73,155.96 × 29,140.57
  4. Step 4: Simplify right side
    53,011.45x = 2,131,805,861.81
  5. Step 5: Solve for x
    x = 2,131,805,861.81/53,011.45
  6. Step 6: Final answer
    x = 40,214.07

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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.