Home / 55,692.08-76,853.40-30,541.04

Finding the Fourth Proportional to 55,692.08, 76,853.40 and 30,541.04

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Solution

The fourth proportional to 55,692.08, 76,853.40 and 30,541.04 is: 42,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.08 : 76,853.40 = 30,541.04 : x
  2. Step 2: Convert to fraction form
    55,692.08/76,853.40 = 30,541.04/x
  3. Step 3: Cross multiply
    55,692.08x = 76,853.40 × 30,541.04
  4. Step 4: Simplify right side
    55,692.08x = 2,347,182,763.54
  5. Step 5: Solve for x
    x = 2,347,182,763.54/55,692.08
  6. Step 6: Final answer
    x = 42,145.72

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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.