Home / 61,561.08-85,311.18-60,379.92

Finding the Fourth Proportional to 61,561.08, 85,311.18 and 60,379.92

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Solution

The fourth proportional to 61,561.08, 85,311.18 and 60,379.92 is: 83,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,561.08 : 85,311.18 = 60,379.92 : x
  2. Step 2: Convert to fraction form
    61,561.08/85,311.18 = 60,379.92/x
  3. Step 3: Cross multiply
    61,561.08x = 85,311.18 × 60,379.92
  4. Step 4: Simplify right side
    61,561.08x = 5,151,082,223.51
  5. Step 5: Solve for x
    x = 5,151,082,223.51/61,561.08
  6. Step 6: Final answer
    x = 83,674.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.