Home / 97,722.80-134,860.32-55,280.48

Finding the Fourth Proportional to 97,722.80, 134,860.32 and 55,280.48

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Solution

The fourth proportional to 97,722.80, 134,860.32 and 55,280.48 is: 76,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,722.80 : 134,860.32 = 55,280.48 : x
  2. Step 2: Convert to fraction form
    97,722.80/134,860.32 = 55,280.48/x
  3. Step 3: Cross multiply
    97,722.80x = 134,860.32 × 55,280.48
  4. Step 4: Simplify right side
    97,722.80x = 7,455,143,222.55
  5. Step 5: Solve for x
    x = 7,455,143,222.55/97,722.80
  6. Step 6: Final answer
    x = 76,288.68

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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.