Home / 66,935.10-100,205.34-58,631.34

Finding the Fourth Proportional to 66,935.10, 100,205.34 and 58,631.34

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Solution

The fourth proportional to 66,935.10, 100,205.34 and 58,631.34 is: 87,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.10 : 100,205.34 = 58,631.34 : x
  2. Step 2: Convert to fraction form
    66,935.10/100,205.34 = 58,631.34/x
  3. Step 3: Cross multiply
    66,935.10x = 100,205.34 × 58,631.34
  4. Step 4: Simplify right side
    66,935.10x = 5,875,173,359.36
  5. Step 5: Solve for x
    x = 5,875,173,359.36/66,935.10
  6. Step 6: Final answer
    x = 87,774.18

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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.