Home / 56,209.16-77,560.80-54,697.16

Finding the Fourth Proportional to 56,209.16, 77,560.80 and 54,697.16

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Solution

The fourth proportional to 56,209.16, 77,560.80 and 54,697.16 is: 75,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.16 : 77,560.80 = 54,697.16 : x
  2. Step 2: Convert to fraction form
    56,209.16/77,560.80 = 54,697.16/x
  3. Step 3: Cross multiply
    56,209.16x = 77,560.80 × 54,697.16
  4. Step 4: Simplify right side
    56,209.16x = 4,242,355,487.33
  5. Step 5: Solve for x
    x = 4,242,355,487.33/56,209.16
  6. Step 6: Final answer
    x = 75,474.45

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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.