Home / 91,700.08-137,550.63-41,745.23

Finding the Fourth Proportional to 91,700.08, 137,550.63 and 41,745.23

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Solution

The fourth proportional to 91,700.08, 137,550.63 and 41,745.23 is: 62,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700.08 : 137,550.63 = 41,745.23 : x
  2. Step 2: Convert to fraction form
    91,700.08/137,550.63 = 41,745.23/x
  3. Step 3: Cross multiply
    91,700.08x = 137,550.63 × 41,745.23
  4. Step 4: Simplify right side
    91,700.08x = 5,742,082,685.99
  5. Step 5: Solve for x
    x = 5,742,082,685.99/91,700.08
  6. Step 6: Final answer
    x = 62,618.08

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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.