Home / 59,426.10-89,139.15-45,429.30

Finding the Fourth Proportional to 59,426.10, 89,139.15 and 45,429.30

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Solution

The fourth proportional to 59,426.10, 89,139.15 and 45,429.30 is: 68,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,426.10 : 89,139.15 = 45,429.30 : x
  2. Step 2: Convert to fraction form
    59,426.10/89,139.15 = 45,429.30/x
  3. Step 3: Cross multiply
    59,426.10x = 89,139.15 × 45,429.30
  4. Step 4: Simplify right side
    59,426.10x = 4,049,529,187.10
  5. Step 5: Solve for x
    x = 4,049,529,187.10/59,426.10
  6. Step 6: Final answer
    x = 68,143.95

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1.5x scale

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.