Home / 58,752.20-81,113.38-55,389.69

Finding the Fourth Proportional to 58,752.20, 81,113.38 and 55,389.69

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Solution

The fourth proportional to 58,752.20, 81,113.38 and 55,389.69 is: 76,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752.20 : 81,113.38 = 55,389.69 : x
  2. Step 2: Convert to fraction form
    58,752.20/81,113.38 = 55,389.69/x
  3. Step 3: Cross multiply
    58,752.20x = 81,113.38 × 55,389.69
  4. Step 4: Simplify right side
    58,752.20x = 4,492,844,687.11
  5. Step 5: Solve for x
    x = 4,492,844,687.11/58,752.20
  6. Step 6: Final answer
    x = 76,471.09

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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.