Home / 59,828.10-89,742.15-20,375.70

Finding the Fourth Proportional to 59,828.10, 89,742.15 and 20,375.70

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Solution

The fourth proportional to 59,828.10, 89,742.15 and 20,375.70 is: 30,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,828.10 : 89,742.15 = 20,375.70 : x
  2. Step 2: Convert to fraction form
    59,828.10/89,742.15 = 20,375.70/x
  3. Step 3: Cross multiply
    59,828.10x = 89,742.15 × 20,375.70
  4. Step 4: Simplify right side
    59,828.10x = 1,828,559,125.76
  5. Step 5: Solve for x
    x = 1,828,559,125.76/59,828.10
  6. Step 6: Final answer
    x = 30,563.55

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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.