Home / 59,845.80-89,639.10-53,279.40

Finding the Fourth Proportional to 59,845.80, 89,639.10 and 53,279.40

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Solution

The fourth proportional to 59,845.80, 89,639.10 and 53,279.40 is: 79,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,845.80 : 89,639.10 = 53,279.40 : x
  2. Step 2: Convert to fraction form
    59,845.80/89,639.10 = 53,279.40/x
  3. Step 3: Cross multiply
    59,845.80x = 89,639.10 × 53,279.40
  4. Step 4: Simplify right side
    59,845.80x = 4,775,917,464.54
  5. Step 5: Solve for x
    x = 4,775,917,464.54/59,845.80
  6. Step 6: Final answer
    x = 79,803.72

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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.