Home / 89,263.60-123,173.36-53,448.64

Finding the Fourth Proportional to 89,263.60, 123,173.36 and 53,448.64

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Solution

The fourth proportional to 89,263.60, 123,173.36 and 53,448.64 is: 73,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,263.60 : 123,173.36 = 53,448.64 : x
  2. Step 2: Convert to fraction form
    89,263.60/123,173.36 = 53,448.64/x
  3. Step 3: Cross multiply
    89,263.60x = 123,173.36 × 53,448.64
  4. Step 4: Simplify right side
    89,263.60x = 6,583,448,576.23
  5. Step 5: Solve for x
    x = 6,583,448,576.23/89,263.60
  6. Step 6: Final answer
    x = 73,752.89

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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.