Home / 57,152.16-79,345.08-55,441.44

Finding the Fourth Proportional to 57,152.16, 79,345.08 and 55,441.44

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Solution

The fourth proportional to 57,152.16, 79,345.08 and 55,441.44 is: 76,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.16 : 79,345.08 = 55,441.44 : x
  2. Step 2: Convert to fraction form
    57,152.16/79,345.08 = 55,441.44/x
  3. Step 3: Cross multiply
    57,152.16x = 79,345.08 × 55,441.44
  4. Step 4: Simplify right side
    57,152.16x = 4,399,005,492.12
  5. Step 5: Solve for x
    x = 4,399,005,492.12/57,152.16
  6. Step 6: Final answer
    x = 76,970.07

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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.