Home / 98,665.21-136,155.23-53,952.25

Finding the Fourth Proportional to 98,665.21, 136,155.23 and 53,952.25

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Solution

The fourth proportional to 98,665.21, 136,155.23 and 53,952.25 is: 74,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,665.21 : 136,155.23 = 53,952.25 : x
  2. Step 2: Convert to fraction form
    98,665.21/136,155.23 = 53,952.25/x
  3. Step 3: Cross multiply
    98,665.21x = 136,155.23 × 53,952.25
  4. Step 4: Simplify right side
    98,665.21x = 7,345,880,738.01
  5. Step 5: Solve for x
    x = 7,345,880,738.01/98,665.21
  6. Step 6: Final answer
    x = 74,452.59

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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.