Home / 89,429.70-123,386.07-53,606.64

Finding the Fourth Proportional to 89,429.70, 123,386.07 and 53,606.64

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Solution

The fourth proportional to 89,429.70, 123,386.07 and 53,606.64 is: 73,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,429.70 : 123,386.07 = 53,606.64 : x
  2. Step 2: Convert to fraction form
    89,429.70/123,386.07 = 53,606.64/x
  3. Step 3: Cross multiply
    89,429.70x = 123,386.07 × 53,606.64
  4. Step 4: Simplify right side
    89,429.70x = 6,614,312,635.50
  5. Step 5: Solve for x
    x = 6,614,312,635.50/89,429.70
  6. Step 6: Final answer
    x = 73,961.03

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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.