Home / 97,895.20-135,095.16-55,453.64

Finding the Fourth Proportional to 97,895.20, 135,095.16 and 55,453.64

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Solution

The fourth proportional to 97,895.20, 135,095.16 and 55,453.64 is: 76,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,895.20 : 135,095.16 = 55,453.64 : x
  2. Step 2: Convert to fraction form
    97,895.20/135,095.16 = 55,453.64/x
  3. Step 3: Cross multiply
    97,895.20x = 135,095.16 × 55,453.64
  4. Step 4: Simplify right side
    97,895.20x = 7,491,518,368.38
  5. Step 5: Solve for x
    x = 7,491,518,368.38/97,895.20
  6. Step 6: Final answer
    x = 76,525.90

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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.