Home / 71,122.08-98,106.24-45,986.40

Finding the Fourth Proportional to 71,122.08, 98,106.24 and 45,986.40

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Solution

The fourth proportional to 71,122.08, 98,106.24 and 45,986.40 is: 63,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,122.08 : 98,106.24 = 45,986.40 : x
  2. Step 2: Convert to fraction form
    71,122.08/98,106.24 = 45,986.40/x
  3. Step 3: Cross multiply
    71,122.08x = 98,106.24 × 45,986.40
  4. Step 4: Simplify right side
    71,122.08x = 4,511,552,795.14
  5. Step 5: Solve for x
    x = 4,511,552,795.14/71,122.08
  6. Step 6: Final answer
    x = 63,433.93

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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.