Home / 53,130.99-73,320.85-29,257.76

Finding the Fourth Proportional to 53,130.99, 73,320.85 and 29,257.76

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Solution

The fourth proportional to 53,130.99, 73,320.85 and 29,257.76 is: 40,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.99 : 73,320.85 = 29,257.76 : x
  2. Step 2: Convert to fraction form
    53,130.99/73,320.85 = 29,257.76/x
  3. Step 3: Cross multiply
    53,130.99x = 73,320.85 × 29,257.76
  4. Step 4: Simplify right side
    53,130.99x = 2,145,203,475.17
  5. Step 5: Solve for x
    x = 2,145,203,475.17/53,130.99
  6. Step 6: Final answer
    x = 40,375.75

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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.