Home / 71,554.12-98,710.38-50,345.08

Finding the Fourth Proportional to 71,554.12, 98,710.38 and 50,345.08

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Solution

The fourth proportional to 71,554.12, 98,710.38 and 50,345.08 is: 69,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,554.12 : 98,710.38 = 50,345.08 : x
  2. Step 2: Convert to fraction form
    71,554.12/98,710.38 = 50,345.08/x
  3. Step 3: Cross multiply
    71,554.12x = 98,710.38 × 50,345.08
  4. Step 4: Simplify right side
    71,554.12x = 4,969,581,977.93
  5. Step 5: Solve for x
    x = 4,969,581,977.93/71,554.12
  6. Step 6: Final answer
    x = 69,452.07

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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.